./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b8c217deaf7ee4e1e888f4bf55d7496164b7b59b8d275eb1ec0a6f1cdc42f43 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:07:37,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:07:37,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:07:37,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:07:37,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:07:37,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:07:37,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:07:37,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:07:37,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:07:37,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:07:37,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:07:37,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:07:37,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:07:37,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:07:37,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:07:37,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:07:37,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:07:37,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:07:37,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:07:37,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:07:37,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:07:37,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:07:37,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:07:37,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:07:37,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:07:37,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:07:37,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:07:37,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:07:37,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:07:37,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:07:37,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:07:37,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:07:37,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:07:37,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:07:37,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:07:37,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:07:37,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:07:37,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:07:37,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:07:37,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:07:37,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:07:37,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:07:37,524 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8c217deaf7ee4e1e888f4bf55d7496164b7b59b8d275eb1ec0a6f1cdc42f43 [2024-11-08 19:07:37,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:07:37,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:07:37,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:07:37,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:07:37,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:07:37,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i Unable to find full path for "g++" [2024-11-08 19:07:40,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:07:40,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:07:40,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i [2024-11-08 19:07:40,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data/c6e80245a/73f3de87b50447d5ac8f5eaae57fd3c0/FLAGc03807792 [2024-11-08 19:07:40,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data/c6e80245a/73f3de87b50447d5ac8f5eaae57fd3c0 [2024-11-08 19:07:40,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:07:40,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:07:40,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:07:40,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:07:40,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:07:40,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:07:40" (1/1) ... [2024-11-08 19:07:40,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d48ebed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:40, skipping insertion in model container [2024-11-08 19:07:40,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:07:40" (1/1) ... [2024-11-08 19:07:40,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:07:40,898 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i[916,929] [2024-11-08 19:07:40,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:07:40,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:07:41,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i[916,929] [2024-11-08 19:07:41,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:07:41,089 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:07:41,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41 WrapperNode [2024-11-08 19:07:41,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:07:41,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:07:41,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:07:41,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:07:41,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,180 INFO L138 Inliner]: procedures = 29, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 543 [2024-11-08 19:07:41,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:07:41,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:07:41,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:07:41,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:07:41,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,240 INFO L175 MemorySlicer]: Split 130 memory accesses to 13 slices as follows [2, 12, 6, 28, 9, 7, 20, 14, 3, 5, 15, 6, 3]. 22 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1]. [2024-11-08 19:07:41,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:07:41,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:07:41,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:07:41,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:07:41,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (1/1) ... [2024-11-08 19:07:41,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:07:41,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:07:41,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:07:41,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:07:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:07:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 19:07:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 19:07:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 19:07:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 19:07:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 19:07:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 19:07:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 19:07:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 19:07:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 19:07:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 19:07:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-08 19:07:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-08 19:07:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-08 19:07:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:07:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:07:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:07:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:07:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:07:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 19:07:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 19:07:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 19:07:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 19:07:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 19:07:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 19:07:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 19:07:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 19:07:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 19:07:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 19:07:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 19:07:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 19:07:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 19:07:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 19:07:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 19:07:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 19:07:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 19:07:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 19:07:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-08 19:07:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-08 19:07:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-08 19:07:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:07:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:07:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:07:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:07:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:07:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 19:07:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 19:07:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 19:07:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 19:07:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 19:07:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 19:07:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 19:07:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 19:07:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 19:07:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 19:07:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 19:07:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 19:07:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 19:07:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 19:07:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 19:07:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 19:07:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 19:07:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 19:07:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-08 19:07:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-08 19:07:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-08 19:07:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:07:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:07:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:07:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:07:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:07:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:07:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:07:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 19:07:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 19:07:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 19:07:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 19:07:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 19:07:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 19:07:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 19:07:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 19:07:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:07:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:07:41,711 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:07:41,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:07:42,469 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2024-11-08 19:07:42,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:07:42,495 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:07:42,495 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:07:42,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:07:42 BoogieIcfgContainer [2024-11-08 19:07:42,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:07:42,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:07:42,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:07:42,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:07:42,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:07:40" (1/3) ... [2024-11-08 19:07:42,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32344293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:07:42, skipping insertion in model container [2024-11-08 19:07:42,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:41" (2/3) ... [2024-11-08 19:07:42,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32344293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:07:42, skipping insertion in model container [2024-11-08 19:07:42,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:07:42" (3/3) ... [2024-11-08 19:07:42,511 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-83.i [2024-11-08 19:07:42,533 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:07:42,534 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:07:42,620 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:07:42,627 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79ae95c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:07:42,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:07:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 98 states have (on average 1.469387755102041) internal successors, (144), 99 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:07:42,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:42,650 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:42,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:42,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:42,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2073791746, now seen corresponding path program 1 times [2024-11-08 19:07:42,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:42,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378954842] [2024-11-08 19:07:42,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:42,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:43,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:43,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378954842] [2024-11-08 19:07:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378954842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:43,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:43,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:07:43,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462377325] [2024-11-08 19:07:43,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:43,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:07:43,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:43,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:07:43,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:07:43,312 INFO L87 Difference]: Start difference. First operand has 112 states, 98 states have (on average 1.469387755102041) internal successors, (144), 99 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:07:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:43,352 INFO L93 Difference]: Finished difference Result 217 states and 337 transitions. [2024-11-08 19:07:43,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:07:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2024-11-08 19:07:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:43,371 INFO L225 Difference]: With dead ends: 217 [2024-11-08 19:07:43,371 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 19:07:43,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:07:43,387 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:43,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:07:43,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 19:07:43,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-08 19:07:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 95 states have internal predecessors, (131), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2024-11-08 19:07:43,463 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 106 [2024-11-08 19:07:43,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:43,463 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2024-11-08 19:07:43,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:07:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2024-11-08 19:07:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:07:43,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:43,469 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:43,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:07:43,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:43,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:43,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1400426448, now seen corresponding path program 1 times [2024-11-08 19:07:43,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:43,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868968191] [2024-11-08 19:07:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:44,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:44,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868968191] [2024-11-08 19:07:44,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868968191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:44,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:44,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:07:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177879361] [2024-11-08 19:07:44,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:44,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:07:44,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:44,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:07:44,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:44,115 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:44,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:44,181 INFO L93 Difference]: Finished difference Result 216 states and 307 transitions. [2024-11-08 19:07:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:07:44,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-08 19:07:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:44,184 INFO L225 Difference]: With dead ends: 216 [2024-11-08 19:07:44,184 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 19:07:44,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:44,187 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:44,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 439 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:07:44,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 19:07:44,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-08 19:07:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 155 transitions. [2024-11-08 19:07:44,213 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 155 transitions. Word has length 106 [2024-11-08 19:07:44,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:44,219 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 155 transitions. [2024-11-08 19:07:44,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:44,219 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2024-11-08 19:07:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:07:44,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:44,224 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:44,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:07:44,224 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:44,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:44,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2080484818, now seen corresponding path program 1 times [2024-11-08 19:07:44,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:44,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443230040] [2024-11-08 19:07:44,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:44,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:44,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443230040] [2024-11-08 19:07:44,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443230040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:44,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:44,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:07:44,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755062445] [2024-11-08 19:07:44,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:44,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:07:44,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:44,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:07:44,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:44,636 INFO L87 Difference]: Start difference. First operand 110 states and 155 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:44,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:44,698 INFO L93 Difference]: Finished difference Result 220 states and 311 transitions. [2024-11-08 19:07:44,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:07:44,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-08 19:07:44,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:44,701 INFO L225 Difference]: With dead ends: 220 [2024-11-08 19:07:44,701 INFO L226 Difference]: Without dead ends: 113 [2024-11-08 19:07:44,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:44,704 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:44,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 440 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:07:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-08 19:07:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-08 19:07:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2024-11-08 19:07:44,717 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 106 [2024-11-08 19:07:44,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:44,718 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2024-11-08 19:07:44,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2024-11-08 19:07:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:07:44,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:44,721 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:44,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:07:44,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:44,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:44,723 INFO L85 PathProgramCache]: Analyzing trace with hash -439475116, now seen corresponding path program 1 times [2024-11-08 19:07:44,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:44,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536953552] [2024-11-08 19:07:44,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:44,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:44,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:45,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536953552] [2024-11-08 19:07:45,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536953552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:45,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:45,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:07:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006070208] [2024-11-08 19:07:45,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:45,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:07:45,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:45,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:07:45,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:45,039 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:45,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:45,086 INFO L93 Difference]: Finished difference Result 224 states and 315 transitions. [2024-11-08 19:07:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:07:45,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-08 19:07:45,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:45,091 INFO L225 Difference]: With dead ends: 224 [2024-11-08 19:07:45,091 INFO L226 Difference]: Without dead ends: 115 [2024-11-08 19:07:45,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:45,096 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:45,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 442 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:07:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-08 19:07:45,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-08 19:07:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2024-11-08 19:07:45,118 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 106 [2024-11-08 19:07:45,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:45,119 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2024-11-08 19:07:45,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2024-11-08 19:07:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:07:45,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:45,125 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:45,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:07:45,126 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:45,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:45,126 INFO L85 PathProgramCache]: Analyzing trace with hash -437628074, now seen corresponding path program 1 times [2024-11-08 19:07:45,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:45,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716182387] [2024-11-08 19:07:45,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:45,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:45,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:45,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716182387] [2024-11-08 19:07:45,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716182387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:45,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:45,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:07:45,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130470338] [2024-11-08 19:07:45,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:45,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:07:45,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:45,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:07:45,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:45,634 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:45,739 INFO L93 Difference]: Finished difference Result 264 states and 370 transitions. [2024-11-08 19:07:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:07:45,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-08 19:07:45,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:45,743 INFO L225 Difference]: With dead ends: 264 [2024-11-08 19:07:45,745 INFO L226 Difference]: Without dead ends: 153 [2024-11-08 19:07:45,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:07:45,748 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 148 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:45,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 448 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:07:45,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-08 19:07:45,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 114. [2024-11-08 19:07:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 158 transitions. [2024-11-08 19:07:45,775 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 158 transitions. Word has length 106 [2024-11-08 19:07:45,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:45,777 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 158 transitions. [2024-11-08 19:07:45,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2024-11-08 19:07:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:07:45,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:45,784 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:45,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:07:45,784 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:45,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1252980163, now seen corresponding path program 1 times [2024-11-08 19:07:45,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:45,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222446468] [2024-11-08 19:07:45,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:45,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:46,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:46,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222446468] [2024-11-08 19:07:46,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222446468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:46,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:46,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:07:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767523085] [2024-11-08 19:07:46,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:46,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:07:46,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:46,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:07:46,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:07:46,215 INFO L87 Difference]: Start difference. First operand 114 states and 158 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:46,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:46,338 INFO L93 Difference]: Finished difference Result 227 states and 316 transitions. [2024-11-08 19:07:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:07:46,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-08 19:07:46,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:46,340 INFO L225 Difference]: With dead ends: 227 [2024-11-08 19:07:46,342 INFO L226 Difference]: Without dead ends: 116 [2024-11-08 19:07:46,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:07:46,344 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 3 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:46,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 547 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:07:46,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-08 19:07:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-08 19:07:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 160 transitions. [2024-11-08 19:07:46,364 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 160 transitions. Word has length 107 [2024-11-08 19:07:46,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:46,364 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 160 transitions. [2024-11-08 19:07:46,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2024-11-08 19:07:46,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:07:46,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:46,369 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:46,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:07:46,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:46,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:46,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1724827760, now seen corresponding path program 1 times [2024-11-08 19:07:46,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:46,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720083271] [2024-11-08 19:07:46,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:46,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:07:46,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857370561] [2024-11-08 19:07:46,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:46,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:07:46,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:07:46,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:07:46,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:07:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:46,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:07:46,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:07:47,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 19:07:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:47,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:07:47,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:47,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720083271] [2024-11-08 19:07:47,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:07:47,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857370561] [2024-11-08 19:07:47,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857370561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:47,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:47,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:07:47,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668306155] [2024-11-08 19:07:47,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:47,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:07:47,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:47,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:07:47,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:07:47,349 INFO L87 Difference]: Start difference. First operand 116 states and 160 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:47,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:47,774 INFO L93 Difference]: Finished difference Result 331 states and 460 transitions. [2024-11-08 19:07:47,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:07:47,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:07:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:47,779 INFO L225 Difference]: With dead ends: 331 [2024-11-08 19:07:47,780 INFO L226 Difference]: Without dead ends: 218 [2024-11-08 19:07:47,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:07:47,783 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 136 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:47,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 699 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:07:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-08 19:07:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 120. [2024-11-08 19:07:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:47,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 165 transitions. [2024-11-08 19:07:47,807 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 165 transitions. Word has length 108 [2024-11-08 19:07:47,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:47,807 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 165 transitions. [2024-11-08 19:07:47,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2024-11-08 19:07:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:07:47,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:47,813 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:47,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:07:48,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:07:48,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:48,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:48,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1787194193, now seen corresponding path program 1 times [2024-11-08 19:07:48,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:48,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97973208] [2024-11-08 19:07:48,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:48,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:49,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:49,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97973208] [2024-11-08 19:07:49,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97973208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:49,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:49,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:07:49,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242775123] [2024-11-08 19:07:49,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:49,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:07:49,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:49,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:07:49,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:07:49,232 INFO L87 Difference]: Start difference. First operand 120 states and 165 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:07:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:49,770 INFO L93 Difference]: Finished difference Result 276 states and 382 transitions. [2024-11-08 19:07:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:07:49,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 108 [2024-11-08 19:07:49,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:49,774 INFO L225 Difference]: With dead ends: 276 [2024-11-08 19:07:49,774 INFO L226 Difference]: Without dead ends: 159 [2024-11-08 19:07:49,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:07:49,776 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 360 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:49,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 528 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:07:49,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-08 19:07:49,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 120. [2024-11-08 19:07:49,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:07:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 164 transitions. [2024-11-08 19:07:49,796 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 164 transitions. Word has length 108 [2024-11-08 19:07:49,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:49,797 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 164 transitions. [2024-11-08 19:07:49,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:07:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2024-11-08 19:07:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:07:49,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:49,806 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:49,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:07:49,806 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:49,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:49,807 INFO L85 PathProgramCache]: Analyzing trace with hash -338624366, now seen corresponding path program 1 times [2024-11-08 19:07:49,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:49,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543016719] [2024-11-08 19:07:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:07:49,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831676467] [2024-11-08 19:07:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:49,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:07:49,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:07:49,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:07:49,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:07:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:50,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 19:07:50,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:07:51,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:07:51,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-11-08 19:07:51,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:07:51,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-08 19:07:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-08 19:07:52,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:07:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:52,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:52,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543016719] [2024-11-08 19:07:52,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:07:52,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831676467] [2024-11-08 19:07:52,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831676467] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:07:52,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:07:52,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 22 [2024-11-08 19:07:52,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917019054] [2024-11-08 19:07:52,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:52,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:07:52,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:52,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:07:52,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-08 19:07:52,899 INFO L87 Difference]: Start difference. First operand 120 states and 164 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:54,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:54,345 INFO L93 Difference]: Finished difference Result 385 states and 525 transitions. [2024-11-08 19:07:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:07:54,348 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:07:54,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:54,350 INFO L225 Difference]: With dead ends: 385 [2024-11-08 19:07:54,350 INFO L226 Difference]: Without dead ends: 268 [2024-11-08 19:07:54,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2024-11-08 19:07:54,353 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 362 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:54,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 996 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 19:07:54,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-08 19:07:54,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 202. [2024-11-08 19:07:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 186 states have (on average 1.3494623655913978) internal successors, (251), 187 states have internal predecessors, (251), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:07:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 277 transitions. [2024-11-08 19:07:54,373 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 277 transitions. Word has length 108 [2024-11-08 19:07:54,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:54,374 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 277 transitions. [2024-11-08 19:07:54,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:07:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 277 transitions. [2024-11-08 19:07:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:07:54,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:54,376 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:54,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:07:54,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:07:54,578 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:54,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:54,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1359692720, now seen corresponding path program 1 times [2024-11-08 19:07:54,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:54,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248445837] [2024-11-08 19:07:54,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:55,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:55,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248445837] [2024-11-08 19:07:55,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248445837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:55,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:55,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:07:55,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099186985] [2024-11-08 19:07:55,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:55,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:07:55,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:55,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:07:55,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:07:55,479 INFO L87 Difference]: Start difference. First operand 202 states and 277 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-08 19:07:55,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:55,989 INFO L93 Difference]: Finished difference Result 488 states and 664 transitions. [2024-11-08 19:07:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:07:55,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 108 [2024-11-08 19:07:55,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:55,994 INFO L225 Difference]: With dead ends: 488 [2024-11-08 19:07:55,994 INFO L226 Difference]: Without dead ends: 289 [2024-11-08 19:07:55,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:07:55,996 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 301 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:55,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 822 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:07:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-08 19:07:56,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 208. [2024-11-08 19:07:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 192 states have (on average 1.3385416666666667) internal successors, (257), 193 states have internal predecessors, (257), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:07:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 283 transitions. [2024-11-08 19:07:56,020 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 283 transitions. Word has length 108 [2024-11-08 19:07:56,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:56,020 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 283 transitions. [2024-11-08 19:07:56,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-08 19:07:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 283 transitions. [2024-11-08 19:07:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:07:56,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:56,022 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:56,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:07:56,024 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:56,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:56,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1926972268, now seen corresponding path program 1 times [2024-11-08 19:07:56,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:56,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803688961] [2024-11-08 19:07:56,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:56,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:07:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:07:58,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:58,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803688961] [2024-11-08 19:07:58,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803688961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:58,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:58,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:07:58,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351407868] [2024-11-08 19:07:58,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:58,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:07:58,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:58,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:07:58,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:07:58,184 INFO L87 Difference]: Start difference. First operand 208 states and 283 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-08 19:08:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:00,003 INFO L93 Difference]: Finished difference Result 494 states and 673 transitions. [2024-11-08 19:08:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:08:00,004 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 108 [2024-11-08 19:08:00,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:00,006 INFO L225 Difference]: With dead ends: 494 [2024-11-08 19:08:00,006 INFO L226 Difference]: Without dead ends: 289 [2024-11-08 19:08:00,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:08:00,008 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 366 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:00,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1162 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 19:08:00,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-08 19:08:00,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 222. [2024-11-08 19:08:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 206 states have (on average 1.3495145631067962) internal successors, (278), 207 states have internal predecessors, (278), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:08:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 304 transitions. [2024-11-08 19:08:00,025 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 304 transitions. Word has length 108 [2024-11-08 19:08:00,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:00,026 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 304 transitions. [2024-11-08 19:08:00,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-08 19:08:00,026 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2024-11-08 19:08:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:08:00,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:00,028 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:00,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 19:08:00,029 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:00,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:00,029 INFO L85 PathProgramCache]: Analyzing trace with hash 170848724, now seen corresponding path program 1 times [2024-11-08 19:08:00,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:00,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098404403] [2024-11-08 19:08:00,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:00,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:08:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:00,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:00,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098404403] [2024-11-08 19:08:00,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098404403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:00,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:00,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:08:00,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516535559] [2024-11-08 19:08:00,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:00,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:00,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:00,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:00,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:00,760 INFO L87 Difference]: Start difference. First operand 222 states and 304 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:01,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:01,049 INFO L93 Difference]: Finished difference Result 522 states and 713 transitions. [2024-11-08 19:08:01,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:01,049 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:08:01,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:01,052 INFO L225 Difference]: With dead ends: 522 [2024-11-08 19:08:01,052 INFO L226 Difference]: Without dead ends: 303 [2024-11-08 19:08:01,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:01,054 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 87 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:01,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1117 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:01,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-08 19:08:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-11-08 19:08:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 279 states have (on average 1.3440860215053763) internal successors, (375), 281 states have internal predecessors, (375), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:08:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 409 transitions. [2024-11-08 19:08:01,081 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 409 transitions. Word has length 108 [2024-11-08 19:08:01,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:01,082 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 409 transitions. [2024-11-08 19:08:01,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 409 transitions. [2024-11-08 19:08:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:08:01,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:01,085 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:01,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 19:08:01,085 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:01,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:01,086 INFO L85 PathProgramCache]: Analyzing trace with hash -850219630, now seen corresponding path program 1 times [2024-11-08 19:08:01,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:01,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677135142] [2024-11-08 19:08:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:01,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435456102] [2024-11-08 19:08:01,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:01,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:01,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:01,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:01,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 19:08:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:01,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:08:01,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:02,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:02,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677135142] [2024-11-08 19:08:02,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435456102] [2024-11-08 19:08:02,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435456102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:02,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:02,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:02,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125672394] [2024-11-08 19:08:02,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:02,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:02,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:02,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:02,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:02,035 INFO L87 Difference]: Start difference. First operand 300 states and 409 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:02,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:02,464 INFO L93 Difference]: Finished difference Result 1038 states and 1418 transitions. [2024-11-08 19:08:02,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:02,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:08:02,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:02,469 INFO L225 Difference]: With dead ends: 1038 [2024-11-08 19:08:02,469 INFO L226 Difference]: Without dead ends: 741 [2024-11-08 19:08:02,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:08:02,471 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 274 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:02,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 718 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:08:02,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-08 19:08:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 398. [2024-11-08 19:08:02,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 364 states have (on average 1.3406593406593406) internal successors, (488), 366 states have internal predecessors, (488), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 19:08:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 544 transitions. [2024-11-08 19:08:02,510 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 544 transitions. Word has length 108 [2024-11-08 19:08:02,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:02,511 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 544 transitions. [2024-11-08 19:08:02,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 544 transitions. [2024-11-08 19:08:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:08:02,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:02,513 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:02,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 19:08:02,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 19:08:02,718 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:02,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:02,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1856399764, now seen corresponding path program 1 times [2024-11-08 19:08:02,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:02,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971134380] [2024-11-08 19:08:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:02,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:08:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:03,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:03,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971134380] [2024-11-08 19:08:03,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971134380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:03,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:03,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:08:03,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649645085] [2024-11-08 19:08:03,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:03,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:08:03,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:03,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:08:03,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:03,986 INFO L87 Difference]: Start difference. First operand 398 states and 544 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-08 19:08:05,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:05,239 INFO L93 Difference]: Finished difference Result 759 states and 1037 transitions. [2024-11-08 19:08:05,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:08:05,240 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 108 [2024-11-08 19:08:05,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:05,242 INFO L225 Difference]: With dead ends: 759 [2024-11-08 19:08:05,242 INFO L226 Difference]: Without dead ends: 462 [2024-11-08 19:08:05,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:08:05,246 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 371 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:05,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1067 Invalid, 378 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:08:05,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-08 19:08:05,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 413. [2024-11-08 19:08:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 379 states have (on average 1.345646437994723) internal successors, (510), 381 states have internal predecessors, (510), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 19:08:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 566 transitions. [2024-11-08 19:08:05,288 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 566 transitions. Word has length 108 [2024-11-08 19:08:05,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:05,291 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 566 transitions. [2024-11-08 19:08:05,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-08 19:08:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 566 transitions. [2024-11-08 19:08:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:08:05,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:05,294 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:05,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 19:08:05,294 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:05,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:05,295 INFO L85 PathProgramCache]: Analyzing trace with hash 966939680, now seen corresponding path program 1 times [2024-11-08 19:08:05,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:05,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684056162] [2024-11-08 19:08:05,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:05,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:05,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140254491] [2024-11-08 19:08:05,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:05,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:05,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:05,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:05,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 19:08:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:08:06,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:06,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:08:06,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-08 19:08:06,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 19:08:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:06,233 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:06,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:06,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684056162] [2024-11-08 19:08:06,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:06,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140254491] [2024-11-08 19:08:06,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140254491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:06,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:06,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:06,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422155590] [2024-11-08 19:08:06,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:06,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:08:06,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:06,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:08:06,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:06,238 INFO L87 Difference]: Start difference. First operand 413 states and 566 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:06,364 INFO L93 Difference]: Finished difference Result 960 states and 1316 transitions. [2024-11-08 19:08:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:08:06,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-08 19:08:06,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:06,369 INFO L225 Difference]: With dead ends: 960 [2024-11-08 19:08:06,369 INFO L226 Difference]: Without dead ends: 648 [2024-11-08 19:08:06,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:06,371 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 118 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:06,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 663 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:06,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-08 19:08:06,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 427. [2024-11-08 19:08:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 393 states have (on average 1.3486005089058524) internal successors, (530), 395 states have internal predecessors, (530), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 19:08:06,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 586 transitions. [2024-11-08 19:08:06,411 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 586 transitions. Word has length 109 [2024-11-08 19:08:06,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:06,412 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 586 transitions. [2024-11-08 19:08:06,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 586 transitions. [2024-11-08 19:08:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:08:06,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:06,415 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:06,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 19:08:06,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 19:08:06,616 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:06,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:06,616 INFO L85 PathProgramCache]: Analyzing trace with hash -621408222, now seen corresponding path program 1 times [2024-11-08 19:08:06,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:06,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339822634] [2024-11-08 19:08:06,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:06,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:06,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749368213] [2024-11-08 19:08:06,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:06,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:06,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:06,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:06,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 19:08:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:08:07,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:07,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:08:07,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-08 19:08:07,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 19:08:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:07,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:07,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:07,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339822634] [2024-11-08 19:08:07,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:07,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749368213] [2024-11-08 19:08:07,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749368213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:07,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:07,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:07,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427590197] [2024-11-08 19:08:07,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:07,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:08:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:07,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:08:07,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:07,662 INFO L87 Difference]: Start difference. First operand 427 states and 586 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:08,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:08,145 INFO L93 Difference]: Finished difference Result 910 states and 1243 transitions. [2024-11-08 19:08:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:08:08,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-08 19:08:08,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:08,149 INFO L225 Difference]: With dead ends: 910 [2024-11-08 19:08:08,150 INFO L226 Difference]: Without dead ends: 563 [2024-11-08 19:08:08,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:08,151 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 127 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:08,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1019 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:08:08,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-08 19:08:08,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 559. [2024-11-08 19:08:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 507 states have (on average 1.3293885601577908) internal successors, (674), 511 states have internal predecessors, (674), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 760 transitions. [2024-11-08 19:08:08,229 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 760 transitions. Word has length 109 [2024-11-08 19:08:08,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:08,229 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 760 transitions. [2024-11-08 19:08:08,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 760 transitions. [2024-11-08 19:08:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:08,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:08,232 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:08,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 19:08:08,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 19:08:08,437 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:08,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:08,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2002148141, now seen corresponding path program 1 times [2024-11-08 19:08:08,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:08,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654141577] [2024-11-08 19:08:08,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:08,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:08,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2011678410] [2024-11-08 19:08:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:08,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:08,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:08,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:08,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 19:08:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:09,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 19:08:09,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:09,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:09,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:10,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:10,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 19:08:10,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:10,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-08 19:08:10,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-08 19:08:10,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:08:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 19:08:10,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:11,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:11,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654141577] [2024-11-08 19:08:11,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:11,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011678410] [2024-11-08 19:08:11,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011678410] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:11,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:11,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 13 [2024-11-08 19:08:11,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274810543] [2024-11-08 19:08:11,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:11,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:11,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:11,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:11,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:08:11,060 INFO L87 Difference]: Start difference. First operand 559 states and 760 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:12,411 INFO L93 Difference]: Finished difference Result 1041 states and 1415 transitions. [2024-11-08 19:08:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:12,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:12,416 INFO L225 Difference]: With dead ends: 1041 [2024-11-08 19:08:12,416 INFO L226 Difference]: Without dead ends: 562 [2024-11-08 19:08:12,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:08:12,418 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 171 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:12,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 806 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:08:12,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-08 19:08:12,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 560. [2024-11-08 19:08:12,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 508 states have (on average 1.328740157480315) internal successors, (675), 512 states have internal predecessors, (675), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 761 transitions. [2024-11-08 19:08:12,471 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 761 transitions. Word has length 110 [2024-11-08 19:08:12,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:12,472 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 761 transitions. [2024-11-08 19:08:12,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 761 transitions. [2024-11-08 19:08:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:12,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:12,475 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:12,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:12,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 19:08:12,676 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:12,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:12,677 INFO L85 PathProgramCache]: Analyzing trace with hash 704471253, now seen corresponding path program 1 times [2024-11-08 19:08:12,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:12,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677521903] [2024-11-08 19:08:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:12,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:12,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733800199] [2024-11-08 19:08:12,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:12,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:12,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:12,812 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:12,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 19:08:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 19:08:13,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:14,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-11-08 19:08:14,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:14,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 19:08:14,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:14,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 19:08:15,051 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-08 19:08:15,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 30 [2024-11-08 19:08:15,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-11-08 19:08:15,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:08:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 19:08:15,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:15,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2024-11-08 19:08:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:16,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:16,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677521903] [2024-11-08 19:08:16,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:16,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733800199] [2024-11-08 19:08:16,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733800199] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:16,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:16,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 18 [2024-11-08 19:08:16,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693964789] [2024-11-08 19:08:16,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:16,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:16,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:16,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:16,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-08 19:08:16,021 INFO L87 Difference]: Start difference. First operand 560 states and 761 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:16,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:16,923 INFO L93 Difference]: Finished difference Result 1041 states and 1414 transitions. [2024-11-08 19:08:16,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:08:16,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:16,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:16,928 INFO L225 Difference]: With dead ends: 1041 [2024-11-08 19:08:16,928 INFO L226 Difference]: Without dead ends: 561 [2024-11-08 19:08:16,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-11-08 19:08:16,930 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 231 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:16,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 953 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:08:16,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-08 19:08:16,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 558. [2024-11-08 19:08:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 506 states have (on average 1.3280632411067195) internal successors, (672), 510 states have internal predecessors, (672), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 758 transitions. [2024-11-08 19:08:17,002 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 758 transitions. Word has length 110 [2024-11-08 19:08:17,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:17,002 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 758 transitions. [2024-11-08 19:08:17,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 758 transitions. [2024-11-08 19:08:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:17,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:17,005 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:17,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 19:08:17,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 19:08:17,206 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:17,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:17,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1249118547, now seen corresponding path program 1 times [2024-11-08 19:08:17,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:17,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136517809] [2024-11-08 19:08:17,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:17,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:17,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1167071374] [2024-11-08 19:08:17,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:17,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:17,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:17,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:17,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 19:08:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 19:08:18,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:18,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:19,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-11-08 19:08:19,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:19,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 19:08:19,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:19,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-08 19:08:19,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:08:19,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-08 19:08:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 19:08:19,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:20,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:20,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136517809] [2024-11-08 19:08:20,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:20,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167071374] [2024-11-08 19:08:20,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167071374] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:20,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:20,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-08 19:08:20,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281341847] [2024-11-08 19:08:20,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:20,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:20,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:08:20,200 INFO L87 Difference]: Start difference. First operand 558 states and 758 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:20,828 INFO L93 Difference]: Finished difference Result 1039 states and 1411 transitions. [2024-11-08 19:08:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:20,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:20,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:20,834 INFO L225 Difference]: With dead ends: 1039 [2024-11-08 19:08:20,835 INFO L226 Difference]: Without dead ends: 561 [2024-11-08 19:08:20,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:08:20,837 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 234 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:20,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 744 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:08:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-08 19:08:20,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 559. [2024-11-08 19:08:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 507 states have (on average 1.3274161735700196) internal successors, (673), 511 states have internal predecessors, (673), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 759 transitions. [2024-11-08 19:08:20,888 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 759 transitions. Word has length 110 [2024-11-08 19:08:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:20,888 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 759 transitions. [2024-11-08 19:08:20,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 759 transitions. [2024-11-08 19:08:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:20,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:20,891 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:20,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 19:08:21,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:21,092 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:21,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash -339229355, now seen corresponding path program 1 times [2024-11-08 19:08:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:21,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595359891] [2024-11-08 19:08:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:21,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254463740] [2024-11-08 19:08:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:21,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:21,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:21,183 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:21,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 19:08:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 19:08:21,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:22,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:22,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 19:08:22,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:22,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:08:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:08:22,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:22,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:22,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595359891] [2024-11-08 19:08:22,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:22,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254463740] [2024-11-08 19:08:22,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254463740] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:22,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:22,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2024-11-08 19:08:22,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668678353] [2024-11-08 19:08:22,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:22,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:22,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:22,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:22,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:22,459 INFO L87 Difference]: Start difference. First operand 559 states and 759 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:22,743 INFO L93 Difference]: Finished difference Result 1038 states and 1408 transitions. [2024-11-08 19:08:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:22,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:22,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:22,747 INFO L225 Difference]: With dead ends: 1038 [2024-11-08 19:08:22,747 INFO L226 Difference]: Without dead ends: 559 [2024-11-08 19:08:22,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:22,749 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 66 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:22,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 743 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-08 19:08:22,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 557. [2024-11-08 19:08:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 505 states have (on average 1.3227722772277228) internal successors, (668), 509 states have internal predecessors, (668), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:22,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 754 transitions. [2024-11-08 19:08:22,799 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 754 transitions. Word has length 110 [2024-11-08 19:08:22,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:22,800 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 754 transitions. [2024-11-08 19:08:22,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 754 transitions. [2024-11-08 19:08:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:22,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:22,802 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:22,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 19:08:23,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:23,003 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:23,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:23,003 INFO L85 PathProgramCache]: Analyzing trace with hash -680142388, now seen corresponding path program 1 times [2024-11-08 19:08:23,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:23,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242674948] [2024-11-08 19:08:23,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:23,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:08:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:23,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:23,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242674948] [2024-11-08 19:08:23,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242674948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:23,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:23,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:08:23,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995767745] [2024-11-08 19:08:23,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:23,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:23,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:23,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:23,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:23,215 INFO L87 Difference]: Start difference. First operand 557 states and 754 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:23,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:23,420 INFO L93 Difference]: Finished difference Result 1273 states and 1726 transitions. [2024-11-08 19:08:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:23,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:23,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:23,425 INFO L225 Difference]: With dead ends: 1273 [2024-11-08 19:08:23,425 INFO L226 Difference]: Without dead ends: 796 [2024-11-08 19:08:23,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:23,427 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 116 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:23,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 685 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:23,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-08 19:08:23,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 640. [2024-11-08 19:08:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 588 states have (on average 1.3265306122448979) internal successors, (780), 592 states have internal predecessors, (780), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:23,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 866 transitions. [2024-11-08 19:08:23,481 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 866 transitions. Word has length 110 [2024-11-08 19:08:23,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:23,482 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 866 transitions. [2024-11-08 19:08:23,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 866 transitions. [2024-11-08 19:08:23,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:23,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:23,484 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:23,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 19:08:23,484 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:23,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:23,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1891145888, now seen corresponding path program 1 times [2024-11-08 19:08:23,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:23,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454256013] [2024-11-08 19:08:23,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:23,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:08:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:23,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:23,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454256013] [2024-11-08 19:08:23,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454256013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:23,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:23,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:08:23,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915215287] [2024-11-08 19:08:23,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:23,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:08:23,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:23,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:08:23,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:08:23,618 INFO L87 Difference]: Start difference. First operand 640 states and 866 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:23,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:23,668 INFO L93 Difference]: Finished difference Result 1163 states and 1578 transitions. [2024-11-08 19:08:23,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:08:23,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:23,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:23,694 INFO L225 Difference]: With dead ends: 1163 [2024-11-08 19:08:23,694 INFO L226 Difference]: Without dead ends: 624 [2024-11-08 19:08:23,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:08:23,701 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:23,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 290 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:08:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-08 19:08:23,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2024-11-08 19:08:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 572 states have (on average 1.3216783216783217) internal successors, (756), 576 states have internal predecessors, (756), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 842 transitions. [2024-11-08 19:08:23,773 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 842 transitions. Word has length 110 [2024-11-08 19:08:23,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:23,774 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 842 transitions. [2024-11-08 19:08:23,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 842 transitions. [2024-11-08 19:08:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:23,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:23,777 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:23,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 19:08:23,777 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:23,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:23,778 INFO L85 PathProgramCache]: Analyzing trace with hash 502474391, now seen corresponding path program 1 times [2024-11-08 19:08:23,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:23,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532598538] [2024-11-08 19:08:23,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:23,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:08:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:24,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:24,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532598538] [2024-11-08 19:08:24,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532598538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:24,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:24,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:08:24,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103731582] [2024-11-08 19:08:24,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:24,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:24,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:24,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:24,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:24,103 INFO L87 Difference]: Start difference. First operand 624 states and 842 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:24,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:24,203 INFO L93 Difference]: Finished difference Result 1113 states and 1508 transitions. [2024-11-08 19:08:24,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:24,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:24,207 INFO L225 Difference]: With dead ends: 1113 [2024-11-08 19:08:24,207 INFO L226 Difference]: Without dead ends: 590 [2024-11-08 19:08:24,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:24,209 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 67 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:24,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 558 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:08:24,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-08 19:08:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 588. [2024-11-08 19:08:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 536 states have (on average 1.3190298507462686) internal successors, (707), 540 states have internal predecessors, (707), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 793 transitions. [2024-11-08 19:08:24,262 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 793 transitions. Word has length 110 [2024-11-08 19:08:24,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:24,262 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 793 transitions. [2024-11-08 19:08:24,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 793 transitions. [2024-11-08 19:08:24,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:08:24,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:24,266 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:24,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 19:08:24,266 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:24,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1300548267, now seen corresponding path program 1 times [2024-11-08 19:08:24,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:24,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051676956] [2024-11-08 19:08:24,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:24,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:24,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545349281] [2024-11-08 19:08:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:24,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:24,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:24,388 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:24,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 19:08:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:25,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:08:25,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:25,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:25,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 19:08:25,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:08:25,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:25,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:25,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051676956] [2024-11-08 19:08:25,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:25,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545349281] [2024-11-08 19:08:25,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545349281] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:25,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:25,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-08 19:08:25,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599732401] [2024-11-08 19:08:25,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:25,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:25,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:25,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:25,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:25,653 INFO L87 Difference]: Start difference. First operand 588 states and 793 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:26,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:26,019 INFO L93 Difference]: Finished difference Result 1065 states and 1433 transitions. [2024-11-08 19:08:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:08:26,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:08:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:26,022 INFO L225 Difference]: With dead ends: 1065 [2024-11-08 19:08:26,023 INFO L226 Difference]: Without dead ends: 578 [2024-11-08 19:08:26,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:26,025 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 91 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:26,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 509 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:26,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-08 19:08:26,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 530. [2024-11-08 19:08:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 478 states have (on average 1.3033472803347281) internal successors, (623), 482 states have internal predecessors, (623), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 709 transitions. [2024-11-08 19:08:26,076 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 709 transitions. Word has length 110 [2024-11-08 19:08:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:26,077 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 709 transitions. [2024-11-08 19:08:26,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 709 transitions. [2024-11-08 19:08:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:08:26,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:26,079 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:26,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:26,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:26,283 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:26,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash 111215000, now seen corresponding path program 1 times [2024-11-08 19:08:26,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:26,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489587923] [2024-11-08 19:08:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:26,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520834888] [2024-11-08 19:08:26,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:26,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:26,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:26,374 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:26,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 19:08:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:27,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:08:27,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:27,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:08:27,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:08:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:08:27,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:27,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-11-08 19:08:28,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:28,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489587923] [2024-11-08 19:08:28,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:08:28,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520834888] [2024-11-08 19:08:28,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520834888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:28,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:28,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-08 19:08:28,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516652480] [2024-11-08 19:08:28,009 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 19:08:28,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:08:28,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:28,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:08:28,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:08:28,011 INFO L87 Difference]: Start difference. First operand 530 states and 709 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:08:29,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:29,100 INFO L93 Difference]: Finished difference Result 1258 states and 1678 transitions. [2024-11-08 19:08:29,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 19:08:29,101 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 111 [2024-11-08 19:08:29,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:29,105 INFO L225 Difference]: With dead ends: 1258 [2024-11-08 19:08:29,105 INFO L226 Difference]: Without dead ends: 797 [2024-11-08 19:08:29,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2024-11-08 19:08:29,108 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 304 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:29,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1169 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:08:29,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-08 19:08:29,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 536. [2024-11-08 19:08:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 483 states have (on average 1.3022774327122153) internal successors, (629), 487 states have internal predecessors, (629), 43 states have call successors, (43), 9 states have call predecessors, (43), 9 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 19:08:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 715 transitions. [2024-11-08 19:08:29,165 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 715 transitions. Word has length 111 [2024-11-08 19:08:29,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:29,166 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 715 transitions. [2024-11-08 19:08:29,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:08:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 715 transitions. [2024-11-08 19:08:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:08:29,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:29,168 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:29,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 19:08:29,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:29,369 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:29,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:29,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1403759832, now seen corresponding path program 1 times [2024-11-08 19:08:29,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:29,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792706840] [2024-11-08 19:08:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:29,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:08:29,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804470480] [2024-11-08 19:08:29,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:29,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:29,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:29,462 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:29,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 19:08:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:29,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:08:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:30,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:08:30,220 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:08:30,221 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:08:30,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 19:08:30,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-08 19:08:30,428 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:30,610 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:08:30,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:08:30 BoogieIcfgContainer [2024-11-08 19:08:30,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:08:30,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:08:30,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:08:30,614 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:08:30,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:07:42" (3/4) ... [2024-11-08 19:08:30,618 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:08:30,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:08:30,620 INFO L158 Benchmark]: Toolchain (without parser) took 50024.03ms. Allocated memory was 174.1MB in the beginning and 465.6MB in the end (delta: 291.5MB). Free memory was 138.0MB in the beginning and 336.5MB in the end (delta: -198.4MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-11-08 19:08:30,620 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:30,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.48ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 121.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:08:30,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.01ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 117.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:08:30,621 INFO L158 Benchmark]: Boogie Preprocessor took 97.05ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 111.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:08:30,621 INFO L158 Benchmark]: RCFGBuilder took 1217.08ms. Allocated memory is still 174.1MB. Free memory was 111.2MB in the beginning and 110.0MB in the end (delta: 1.2MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-08 19:08:30,622 INFO L158 Benchmark]: TraceAbstraction took 48110.98ms. Allocated memory was 174.1MB in the beginning and 465.6MB in the end (delta: 291.5MB). Free memory was 109.0MB in the beginning and 336.5MB in the end (delta: -227.5MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-11-08 19:08:30,622 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 465.6MB. Free memory is still 336.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:30,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.48ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 121.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.01ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 117.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.05ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 111.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1217.08ms. Allocated memory is still 174.1MB. Free memory was 111.2MB in the beginning and 110.0MB in the end (delta: 1.2MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 48110.98ms. Allocated memory was 174.1MB in the beginning and 465.6MB in the end (delta: 291.5MB). Free memory was 109.0MB in the beginning and 336.5MB in the end (delta: -227.5MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 465.6MB. Free memory is still 336.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of bitwiseOr at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L22] unsigned short int var_1_1 = 128; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] unsigned short int var_1_3 = 25; [L26] unsigned short int var_1_3 = 25; [L27] unsigned short int* var_1_3_Pointer = &(var_1_3); [L28] unsigned char var_1_4 = 4; [L28] unsigned char var_1_4 = 4; [L29] unsigned char* var_1_4_Pointer = &(var_1_4); [L30] double var_1_8 = 127.625; [L30] double var_1_8 = 127.625; [L31] double* var_1_8_Pointer = &(var_1_8); [L32] double var_1_10 = 0.8; [L32] double var_1_10 = 0.8; [L33] double* var_1_10_Pointer = &(var_1_10); [L34] double var_1_11 = 128.75; [L34] double var_1_11 = 128.75; [L35] double* var_1_11_Pointer = &(var_1_11); [L36] double var_1_12 = 24.8; [L36] double var_1_12 = 24.8; [L37] double* var_1_12_Pointer = &(var_1_12); [L38] signed short int var_1_14 = -128; [L38] signed short int var_1_14 = -128; [L39] signed short int* var_1_14_Pointer = &(var_1_14); [L40] signed char var_1_15 = 64; [L40] signed char var_1_15 = 64; [L41] signed char* var_1_15_Pointer = &(var_1_15); [L42] signed char var_1_16 = 5; [L42] signed char var_1_16 = 5; [L43] signed char* var_1_16_Pointer = &(var_1_16); [L44] double var_1_17 = 1.5; [L44] double var_1_17 = 1.5; [L45] double* var_1_17_Pointer = &(var_1_17); [L46] unsigned short int last_1_var_1_1 = 128; VAL [isInitial=0, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L98] EXPR \read(var_1_1) [L98] last_1_var_1_1 = var_1_1 [L108] RET updateLastVariables() [L109] CALL updateVariables() [L79] var_1_2 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L80] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L80] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L81] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L81] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L81] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L82] var_1_3 = __VERIFIER_nondet_ushort() [L83] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L83] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L83] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L84] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L84] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L84] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L85] var_1_4 = __VERIFIER_nondet_uchar() [L86] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L87] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L87] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L87] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L88] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L88] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L88] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L89] var_1_10 = __VERIFIER_nondet_double() [L90] EXPR \read(var_1_10) [L90] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L90] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F [L90] EXPR \read(var_1_10) [L90] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L90] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L90] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L90] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L90] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L91] var_1_11 = __VERIFIER_nondet_double() [L92] EXPR \read(var_1_11) [L92] EXPR var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L92] EXPR var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F [L92] EXPR \read(var_1_11) [L92] EXPR var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L92] EXPR (var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L92] EXPR (var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L92] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L92] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L93] var_1_16 = __VERIFIER_nondet_char() [L94] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L94] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L94] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L95] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L95] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L95] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L109] RET updateVariables() [L110] CALL step() [L50] (*(var_1_14_Pointer)) = 200 [L51] EXPR \read(*var_1_16_Pointer) [L51] (*(var_1_15_Pointer)) = (*(var_1_16_Pointer)) [L52] EXPR \read(*var_1_10_Pointer) [L52] (*(var_1_17_Pointer)) = (*(var_1_10_Pointer)) [L53] EXPR \read(*var_1_3_Pointer) [L53] EXPR \read(*var_1_4_Pointer) [L53] signed long int stepLocal_0 = (*(var_1_3_Pointer)) / (*(var_1_4_Pointer)); [L54] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L54] COND FALSE !((*(var_1_2_Pointer))) [L57] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L57] EXPR (((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1)) [L57] EXPR (((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_1=128, stepLocal_0=0, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L57] COND TRUE stepLocal_0 >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1)))) [L58] EXPR \read(*var_1_4_Pointer) [L58] (*(var_1_1_Pointer)) = (*(var_1_4_Pointer)) [L63] EXPR \read(*var_1_3_Pointer) [L63] EXPR \read(*var_1_1_Pointer) [L63] signed long int stepLocal_2 = (*(var_1_3_Pointer)) + (*(var_1_1_Pointer)); [L64] EXPR \read(*var_1_14_Pointer) [L64] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L64] EXPR (*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)) VAL [isInitial=1, last_1_var_1_1=128, stepLocal_2=3, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L64] signed long int stepLocal_1 = (*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)); [L65] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L65] COND FALSE !((*(var_1_15_Pointer)) <= stepLocal_2) [L72] EXPR \read(*var_1_10_Pointer) [L72] (*(var_1_8_Pointer)) = (*(var_1_10_Pointer)) [L74] EXPR \read(*var_1_15_Pointer) [L74] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L74] COND FALSE !((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer))))) [L101] EXPR \read(*var_1_3_Pointer) [L101] EXPR \read(*var_1_4_Pointer) [L101] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1)) [L101] EXPR (((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))) [L101] EXPR \read(*var_1_1_Pointer) [L101] EXPR \read(*var_1_4_Pointer) [L101] EXPR (((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer))))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer))))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer))))) [L101] EXPR \read(*var_1_15_Pointer) [L101] EXPR \read(*var_1_3_Pointer) [L101] EXPR \read(*var_1_1_Pointer) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))) [L101] EXPR \read(*var_1_8_Pointer) [L101] EXPR \read(*var_1_10_Pointer) [L101] EXPR ((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer))))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_14_Pointer)) == ((signed short int) 200)) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_14_Pointer)) == ((signed short int) 200)) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_14_Pointer)) == ((signed short int) 200))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR (((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_14_Pointer)) == ((signed short int) 200))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_14_Pointer)) == ((signed short int) 200))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer))))) && ((*(var_1_17_Pointer)) == ((double) (*(var_1_10_Pointer)))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR ((((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_14_Pointer)) == ((signed short int) 200))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer))))) && ((*(var_1_17_Pointer)) == ((double) (*(var_1_10_Pointer)))) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101-L102] return ((((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((((((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) < 0 ) ? -(((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))) : (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))))) : ((((*(var_1_3_Pointer)) / (*(var_1_4_Pointer))) >= (((((last_1_var_1_1 * (*(var_1_15_Pointer)))) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * (*(var_1_15_Pointer)))) : ((~ last_1_var_1_1))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_3_Pointer)))))) && (((*(var_1_15_Pointer)) <= ((*(var_1_3_Pointer)) + (*(var_1_1_Pointer)))) ? (((*(var_1_1_Pointer)) == ((*(var_1_14_Pointer)) ^ (*(var_1_15_Pointer)))) ? ((*(var_1_8_Pointer)) == ((double) ((((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) + (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_11_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (*(var_1_10_Pointer)))))) && (((*(var_1_15_Pointer)) > (*(var_1_15_Pointer))) ? ((*(var_1_12_Pointer)) == ((double) (((((*(var_1_11_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_14_Pointer)) == ((signed short int) 200))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer))))) && ((*(var_1_17_Pointer)) == ((double) (*(var_1_10_Pointer)))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=128, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.8s, OverallIterations: 26, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3947 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3936 mSDsluCounter, 17717 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13428 mSDsCounter, 174 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3440 IncrementalHoareTripleChecker+Invalid, 3614 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 174 mSolverCounterUnsat, 4289 mSDtfsCounter, 3440 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2361 GetRequests, 2132 SyntacticMatches, 5 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=21, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 25 MinimizatonAttempts, 1489 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 4135 NumberOfCodeBlocks, 4135 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 3337 ConstructedInterpolants, 97 QuantifiedInterpolants, 16474 SizeOfPredicates, 162 NumberOfNonLiveVariables, 5584 ConjunctsInSsa, 273 ConjunctsInUnsatCore, 31 InterpolantComputations, 24 PerfectInterpolantSequences, 5928/6820 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:08:30,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b8c217deaf7ee4e1e888f4bf55d7496164b7b59b8d275eb1ec0a6f1cdc42f43 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:08:33,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:08:33,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:08:33,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:08:33,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:08:33,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:08:33,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:08:33,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:08:33,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:08:33,610 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:08:33,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:08:33,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:08:33,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:08:33,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:08:33,615 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:08:33,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:08:33,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:08:33,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:08:33,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:08:33,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:08:33,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:08:33,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:08:33,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:08:33,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:08:33,621 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:08:33,621 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:08:33,622 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:08:33,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:08:33,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:08:33,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:08:33,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:08:33,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:08:33,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:08:33,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:08:33,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:33,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:08:33,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:08:33,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:08:33,632 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:08:33,632 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:08:33,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:08:33,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:08:33,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:08:33,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:08:33,633 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8c217deaf7ee4e1e888f4bf55d7496164b7b59b8d275eb1ec0a6f1cdc42f43 [2024-11-08 19:08:34,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:08:34,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:08:34,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:08:34,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:08:34,186 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:08:34,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i Unable to find full path for "g++" [2024-11-08 19:08:36,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:08:37,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:08:37,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i [2024-11-08 19:08:37,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data/22a6b366e/3e62ea560c2f4e628a5640110111c0c1/FLAG7cc1b759b [2024-11-08 19:08:37,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/data/22a6b366e/3e62ea560c2f4e628a5640110111c0c1 [2024-11-08 19:08:37,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:08:37,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:08:37,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:37,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:08:37,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:08:37,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358f8d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37, skipping insertion in model container [2024-11-08 19:08:37,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:08:37,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i[916,929] [2024-11-08 19:08:37,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:37,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:08:37,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-83.i[916,929] [2024-11-08 19:08:37,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:37,619 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:08:37,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37 WrapperNode [2024-11-08 19:08:37,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:37,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:37,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:08:37,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:08:37,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,736 INFO L138 Inliner]: procedures = 33, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 521 [2024-11-08 19:08:37,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:37,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:08:37,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:08:37,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:08:37,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,843 INFO L175 MemorySlicer]: Split 130 memory accesses to 13 slices as follows [2, 12, 6, 28, 9, 7, 20, 14, 3, 5, 15, 6, 3]. 22 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1]. [2024-11-08 19:08:37,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:08:37,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:08:37,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:08:37,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:08:37,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (1/1) ... [2024-11-08 19:08:37,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:37,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:37,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:08:38,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:08:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:08:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 19:08:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 19:08:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-08 19:08:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-08 19:08:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-08 19:08:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-08 19:08:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-08 19:08:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-08 19:08:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-08 19:08:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-08 19:08:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-08 19:08:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-08 19:08:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-08 19:08:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 19:08:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 19:08:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-08 19:08:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-08 19:08:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-08 19:08:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-08 19:08:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-08 19:08:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-08 19:08:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-08 19:08:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-08 19:08:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-08 19:08:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-08 19:08:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-08 19:08:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 19:08:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 19:08:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 19:08:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 19:08:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 19:08:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 19:08:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 19:08:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-08 19:08:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-08 19:08:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-08 19:08:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-08 19:08:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-08 19:08:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-08 19:08:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 19:08:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 19:08:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 19:08:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 19:08:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 19:08:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 19:08:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 19:08:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-08 19:08:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-08 19:08:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-08 19:08:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-08 19:08:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-08 19:08:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-08 19:08:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:08:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 19:08:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 19:08:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 19:08:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 19:08:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 19:08:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 19:08:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 19:08:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 19:08:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 19:08:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 19:08:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 19:08:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 19:08:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-08 19:08:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-08 19:08:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-08 19:08:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-08 19:08:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-08 19:08:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-08 19:08:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-08 19:08:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-08 19:08:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-08 19:08:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-08 19:08:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-08 19:08:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-08 19:08:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-08 19:08:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 19:08:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 19:08:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 19:08:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 19:08:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 19:08:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 19:08:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 19:08:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-08 19:08:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-08 19:08:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-08 19:08:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-08 19:08:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-08 19:08:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-08 19:08:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:08:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:08:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:08:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:08:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 19:08:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 19:08:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 19:08:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 19:08:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 19:08:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 19:08:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 19:08:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-08 19:08:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-08 19:08:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 19:08:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 19:08:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 19:08:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-08 19:08:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-08 19:08:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-08 19:08:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-08 19:08:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-08 19:08:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-08 19:08:38,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:08:38,434 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:08:39,758 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-08 19:08:39,761 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:08:39,784 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:08:39,786 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:08:39,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:39 BoogieIcfgContainer [2024-11-08 19:08:39,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:08:39,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:08:39,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:08:39,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:08:39,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:08:37" (1/3) ... [2024-11-08 19:08:39,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4702a0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:39, skipping insertion in model container [2024-11-08 19:08:39,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:37" (2/3) ... [2024-11-08 19:08:39,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4702a0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:39, skipping insertion in model container [2024-11-08 19:08:39,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:39" (3/3) ... [2024-11-08 19:08:39,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-83.i [2024-11-08 19:08:39,822 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:08:39,823 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:08:39,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:08:39,917 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fb8f16c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:08:39,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:08:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:08:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:39,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:39,939 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:39,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:39,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:39,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1594943064, now seen corresponding path program 1 times [2024-11-08 19:08:39,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:39,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389550757] [2024-11-08 19:08:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:39,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:39,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:39,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:08:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:40,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:08:40,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:40,738 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-08 19:08:40,739 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:40,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:40,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389550757] [2024-11-08 19:08:40,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389550757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:40,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:40,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:08:40,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915221936] [2024-11-08 19:08:40,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:40,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:08:40,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:40,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:08:40,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:08:40,793 INFO L87 Difference]: Start difference. First operand has 103 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:08:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:40,846 INFO L93 Difference]: Finished difference Result 199 states and 307 transitions. [2024-11-08 19:08:40,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:08:40,850 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-11-08 19:08:40,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:40,859 INFO L225 Difference]: With dead ends: 199 [2024-11-08 19:08:40,859 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 19:08:40,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:08:40,869 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:40,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:08:40,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 19:08:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-08 19:08:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:08:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2024-11-08 19:08:40,947 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 104 [2024-11-08 19:08:40,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:40,948 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2024-11-08 19:08:40,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:08:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2024-11-08 19:08:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:40,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:40,952 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:40,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:08:41,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:41,153 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:41,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:41,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1018725114, now seen corresponding path program 1 times [2024-11-08 19:08:41,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:41,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740113723] [2024-11-08 19:08:41,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:41,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:41,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:41,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:41,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:08:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:41,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:08:41,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:42,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:08:43,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:08:43,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:08:44,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-08 19:08:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:08:44,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:44,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 19:08:45,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-11-08 19:08:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:45,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:45,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740113723] [2024-11-08 19:08:45,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740113723] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:45,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:45,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-08 19:08:45,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460151191] [2024-11-08 19:08:45,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:45,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:45,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:45,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:45,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:08:45,179 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:46,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:46,614 INFO L93 Difference]: Finished difference Result 206 states and 290 transitions. [2024-11-08 19:08:46,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:46,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:08:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:46,618 INFO L225 Difference]: With dead ends: 206 [2024-11-08 19:08:46,619 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 19:08:46,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:08:46,621 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 26 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:46,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 545 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:08:46,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 19:08:46,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2024-11-08 19:08:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:08:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 139 transitions. [2024-11-08 19:08:46,636 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 139 transitions. Word has length 104 [2024-11-08 19:08:46,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:46,638 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 139 transitions. [2024-11-08 19:08:46,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:46,639 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 139 transitions. [2024-11-08 19:08:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:46,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:46,641 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:46,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 19:08:46,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:46,845 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:46,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:46,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1152738620, now seen corresponding path program 1 times [2024-11-08 19:08:46,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:46,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590725720] [2024-11-08 19:08:46,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:46,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:46,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:46,851 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:46,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:08:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:47,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:08:47,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:47,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:08:47,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:08:47,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:08:47,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:08:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:48,017 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:48,017 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:48,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590725720] [2024-11-08 19:08:48,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590725720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:48,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:48,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:48,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643725498] [2024-11-08 19:08:48,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:48,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:48,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:48,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:48,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:48,021 INFO L87 Difference]: Start difference. First operand 100 states and 139 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:49,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:49,148 INFO L93 Difference]: Finished difference Result 381 states and 533 transitions. [2024-11-08 19:08:49,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:08:49,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:08:49,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:49,156 INFO L225 Difference]: With dead ends: 381 [2024-11-08 19:08:49,156 INFO L226 Difference]: Without dead ends: 284 [2024-11-08 19:08:49,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:08:49,159 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 262 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:49,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1130 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:08:49,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-08 19:08:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 144. [2024-11-08 19:08:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 119 states have (on average 1.319327731092437) internal successors, (157), 119 states have internal predecessors, (157), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:08:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 201 transitions. [2024-11-08 19:08:49,189 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 201 transitions. Word has length 104 [2024-11-08 19:08:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:49,190 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 201 transitions. [2024-11-08 19:08:49,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 201 transitions. [2024-11-08 19:08:49,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:49,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:49,193 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:49,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:49,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:49,397 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:49,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:49,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1159273724, now seen corresponding path program 1 times [2024-11-08 19:08:49,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:49,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586909167] [2024-11-08 19:08:49,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:49,400 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:49,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:49,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:49,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 19:08:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:49,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:08:49,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:50,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:08:50,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:08:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:08:51,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:51,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 19:08:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:51,477 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:51,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586909167] [2024-11-08 19:08:51,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586909167] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:51,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:51,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-08 19:08:51,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437858571] [2024-11-08 19:08:51,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:51,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:08:51,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:51,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:08:51,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:08:51,481 INFO L87 Difference]: Start difference. First operand 144 states and 201 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:51,637 INFO L93 Difference]: Finished difference Result 251 states and 352 transitions. [2024-11-08 19:08:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:08:51,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:08:51,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:51,641 INFO L225 Difference]: With dead ends: 251 [2024-11-08 19:08:51,641 INFO L226 Difference]: Without dead ends: 154 [2024-11-08 19:08:51,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:08:51,644 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 25 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:51,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 419 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:51,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-08 19:08:51,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 143. [2024-11-08 19:08:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:08:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 199 transitions. [2024-11-08 19:08:51,683 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 199 transitions. Word has length 104 [2024-11-08 19:08:51,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:51,687 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 199 transitions. [2024-11-08 19:08:51,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 199 transitions. [2024-11-08 19:08:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:51,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:51,694 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:51,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:51,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:51,895 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:51,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:51,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1293287230, now seen corresponding path program 1 times [2024-11-08 19:08:51,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:51,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560395181] [2024-11-08 19:08:51,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:51,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:51,901 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:51,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 19:08:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:52,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:08:52,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:52,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:08:52,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:08:52,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:08:52,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-08 19:08:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:53,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:53,069 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:53,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560395181] [2024-11-08 19:08:53,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560395181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:53,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:53,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:53,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133138453] [2024-11-08 19:08:53,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:53,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:53,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:53,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:53,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:53,072 INFO L87 Difference]: Start difference. First operand 143 states and 199 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:55,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:55,675 INFO L93 Difference]: Finished difference Result 338 states and 468 transitions. [2024-11-08 19:08:55,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:08:55,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:08:55,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:55,679 INFO L225 Difference]: With dead ends: 338 [2024-11-08 19:08:55,680 INFO L226 Difference]: Without dead ends: 242 [2024-11-08 19:08:55,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:55,682 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 205 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:55,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 674 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 19:08:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-08 19:08:55,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 160. [2024-11-08 19:08:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 135 states have (on average 1.3111111111111111) internal successors, (177), 135 states have internal predecessors, (177), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:08:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2024-11-08 19:08:55,703 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 221 transitions. Word has length 104 [2024-11-08 19:08:55,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:55,704 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 221 transitions. [2024-11-08 19:08:55,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 221 transitions. [2024-11-08 19:08:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:55,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:55,707 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:55,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 19:08:55,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:55,908 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:55,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash -295060672, now seen corresponding path program 1 times [2024-11-08 19:08:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:55,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843540719] [2024-11-08 19:08:55,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:55,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:55,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:55,911 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:55,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 19:08:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:56,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:08:56,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:57,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 19:08:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:08:57,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:57,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:57,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843540719] [2024-11-08 19:08:57,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843540719] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:57,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:57,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 19:08:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905675432] [2024-11-08 19:08:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:57,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:08:57,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:08:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:57,496 INFO L87 Difference]: Start difference. First operand 160 states and 221 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:57,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:57,681 INFO L93 Difference]: Finished difference Result 257 states and 357 transitions. [2024-11-08 19:08:57,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:08:57,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:08:57,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:57,685 INFO L225 Difference]: With dead ends: 257 [2024-11-08 19:08:57,685 INFO L226 Difference]: Without dead ends: 161 [2024-11-08 19:08:57,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:57,687 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:57,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 265 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:57,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-08 19:08:57,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-08 19:08:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 136 states have (on average 1.3088235294117647) internal successors, (178), 136 states have internal predecessors, (178), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:08:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 222 transitions. [2024-11-08 19:08:57,703 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 222 transitions. Word has length 104 [2024-11-08 19:08:57,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:57,703 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 222 transitions. [2024-11-08 19:08:57,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 222 transitions. [2024-11-08 19:08:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:57,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:57,706 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:57,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-08 19:08:57,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:57,907 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:57,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:57,908 INFO L85 PathProgramCache]: Analyzing trace with hash 726007682, now seen corresponding path program 1 times [2024-11-08 19:08:57,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:57,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556079501] [2024-11-08 19:08:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:57,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:57,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:57,910 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:57,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-08 19:08:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:58,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:08:58,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:58,409 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:58,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:58,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556079501] [2024-11-08 19:08:58,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556079501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:58,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:58,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:08:58,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151759281] [2024-11-08 19:08:58,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:58,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:58,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:58,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:58,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:58,412 INFO L87 Difference]: Start difference. First operand 161 states and 222 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:58,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:58,482 INFO L93 Difference]: Finished difference Result 263 states and 364 transitions. [2024-11-08 19:08:58,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:58,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:08:58,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:58,485 INFO L225 Difference]: With dead ends: 263 [2024-11-08 19:08:58,485 INFO L226 Difference]: Without dead ends: 166 [2024-11-08 19:08:58,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:58,487 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:58,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 512 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:58,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-08 19:08:58,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 165. [2024-11-08 19:08:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 140 states have (on average 1.3) internal successors, (182), 140 states have internal predecessors, (182), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:08:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2024-11-08 19:08:58,509 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 104 [2024-11-08 19:08:58,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:58,523 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2024-11-08 19:08:58,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2024-11-08 19:08:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:58,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:58,525 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:58,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-08 19:08:58,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:58,726 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:58,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:58,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1406066052, now seen corresponding path program 1 times [2024-11-08 19:08:58,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:58,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182608345] [2024-11-08 19:08:58,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:58,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:58,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:58,729 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:58,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 19:08:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:59,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:08:59,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:08:59,260 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:59,260 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182608345] [2024-11-08 19:08:59,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182608345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:59,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:59,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:08:59,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243399887] [2024-11-08 19:08:59,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:59,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:59,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:59,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:59,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:59,263 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:59,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:59,398 INFO L93 Difference]: Finished difference Result 271 states and 372 transitions. [2024-11-08 19:08:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:59,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:08:59,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:59,404 INFO L225 Difference]: With dead ends: 271 [2024-11-08 19:08:59,405 INFO L226 Difference]: Without dead ends: 170 [2024-11-08 19:08:59,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:59,406 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:59,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 749 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:59,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-08 19:08:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2024-11-08 19:08:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 144 states have (on average 1.2916666666666667) internal successors, (186), 144 states have internal predecessors, (186), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:08:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 230 transitions. [2024-11-08 19:08:59,421 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 230 transitions. Word has length 104 [2024-11-08 19:08:59,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:59,422 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 230 transitions. [2024-11-08 19:08:59,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:08:59,422 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 230 transitions. [2024-11-08 19:08:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:08:59,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:59,424 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:59,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-08 19:08:59,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:59,625 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:59,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:59,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1407913094, now seen corresponding path program 1 times [2024-11-08 19:08:59,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:59,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289721532] [2024-11-08 19:08:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:59,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:08:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:59,628 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:08:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-08 19:09:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:00,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:09:00,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:00,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 19:09:00,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:09:00,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2024-11-08 19:09:00,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2024-11-08 19:09:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 19:09:00,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:01,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 19:09:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:01,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289721532] [2024-11-08 19:09:01,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289721532] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:01,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:01,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2024-11-08 19:09:01,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100801971] [2024-11-08 19:09:01,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:01,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:09:01,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:01,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:09:01,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:09:01,149 INFO L87 Difference]: Start difference. First operand 169 states and 230 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:01,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:01,863 INFO L93 Difference]: Finished difference Result 360 states and 485 transitions. [2024-11-08 19:09:01,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:09:01,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-08 19:09:01,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:01,867 INFO L225 Difference]: With dead ends: 360 [2024-11-08 19:09:01,867 INFO L226 Difference]: Without dead ends: 255 [2024-11-08 19:09:01,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:09:01,869 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 97 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:01,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 890 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:09:01,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-08 19:09:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 252. [2024-11-08 19:09:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 221 states have (on average 1.2986425339366516) internal successors, (287), 222 states have internal predecessors, (287), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 19:09:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 339 transitions. [2024-11-08 19:09:01,893 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 339 transitions. Word has length 104 [2024-11-08 19:09:01,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:01,894 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 339 transitions. [2024-11-08 19:09:01,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 339 transitions. [2024-11-08 19:09:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 19:09:01,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:01,896 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:01,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-08 19:09:02,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:02,097 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:02,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:02,098 INFO L85 PathProgramCache]: Analyzing trace with hash -310399525, now seen corresponding path program 1 times [2024-11-08 19:09:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:02,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258898918] [2024-11-08 19:09:02,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:02,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:02,100 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:02,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-08 19:09:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:02,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:09:02,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:02,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:09:04,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 19:09:04,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-08 19:09:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:09:04,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:07,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2024-11-08 19:09:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:07,358 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:07,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258898918] [2024-11-08 19:09:07,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258898918] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:07,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:07,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 17 [2024-11-08 19:09:07,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760908931] [2024-11-08 19:09:07,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:07,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:09:07,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:07,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:09:07,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:09:07,362 INFO L87 Difference]: Start difference. First operand 252 states and 339 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:12,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:12,548 INFO L93 Difference]: Finished difference Result 487 states and 654 transitions. [2024-11-08 19:09:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:09:12,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-08 19:09:12,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:12,567 INFO L225 Difference]: With dead ends: 487 [2024-11-08 19:09:12,572 INFO L226 Difference]: Without dead ends: 312 [2024-11-08 19:09:12,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:12,574 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 61 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:12,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 748 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-08 19:09:12,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-08 19:09:12,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 265. [2024-11-08 19:09:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 234 states have (on average 1.311965811965812) internal successors, (307), 235 states have internal predecessors, (307), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 19:09:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 359 transitions. [2024-11-08 19:09:12,623 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 359 transitions. Word has length 105 [2024-11-08 19:09:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:12,624 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 359 transitions. [2024-11-08 19:09:12,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:12,628 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 359 transitions. [2024-11-08 19:09:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 19:09:12,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:12,630 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:12,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-08 19:09:12,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:12,831 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:12,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:12,832 INFO L85 PathProgramCache]: Analyzing trace with hash -248359911, now seen corresponding path program 1 times [2024-11-08 19:09:12,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:12,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377923611] [2024-11-08 19:09:12,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:12,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:12,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:12,837 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:12,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-08 19:09:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:13,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:09:13,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:13,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:09:13,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:09:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:14,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:14,060 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:14,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377923611] [2024-11-08 19:09:14,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377923611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:14,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:14,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:09:14,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017267628] [2024-11-08 19:09:14,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:14,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:09:14,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:14,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:09:14,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:09:14,063 INFO L87 Difference]: Start difference. First operand 265 states and 359 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:16,003 INFO L93 Difference]: Finished difference Result 618 states and 833 transitions. [2024-11-08 19:09:16,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:09:16,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-08 19:09:16,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:16,008 INFO L225 Difference]: With dead ends: 618 [2024-11-08 19:09:16,009 INFO L226 Difference]: Without dead ends: 430 [2024-11-08 19:09:16,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:09:16,010 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 212 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:16,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 705 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 19:09:16,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-08 19:09:16,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 268. [2024-11-08 19:09:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 237 states have (on average 1.3164556962025316) internal successors, (312), 238 states have internal predecessors, (312), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 19:09:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 364 transitions. [2024-11-08 19:09:16,032 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 364 transitions. Word has length 105 [2024-11-08 19:09:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:16,033 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 364 transitions. [2024-11-08 19:09:16,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 364 transitions. [2024-11-08 19:09:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:09:16,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:16,035 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:16,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:16,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:16,236 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:16,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:16,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1951808241, now seen corresponding path program 1 times [2024-11-08 19:09:16,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:16,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884283679] [2024-11-08 19:09:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:16,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:16,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:16,238 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:16,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-08 19:09:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:16,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:09:16,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:18,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:09:19,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:19,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 133 [2024-11-08 19:09:19,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:19,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 138 [2024-11-08 19:09:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 19:09:19,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:19,754 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:19,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884283679] [2024-11-08 19:09:19,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884283679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:19,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450984036] [2024-11-08 19:09:19,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:19,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:19,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:09:19,757 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:09:19,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 19:09:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:20,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 19:09:20,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:22,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-08 19:09:24,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:09:25,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:25,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 121 [2024-11-08 19:09:25,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:25,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 274 treesize of output 146 [2024-11-08 19:09:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 19:09:25,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:25,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450984036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:25,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:09:25,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 18 [2024-11-08 19:09:25,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112390664] [2024-11-08 19:09:25,983 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:09:25,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 19:09:25,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:25,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 19:09:25,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2024-11-08 19:09:25,985 INFO L87 Difference]: Start difference. First operand 268 states and 364 transitions. Second operand has 19 states, 19 states have (on average 5.473684210526316) internal successors, (104), 18 states have internal predecessors, (104), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 19:09:35,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:35,383 INFO L93 Difference]: Finished difference Result 869 states and 1170 transitions. [2024-11-08 19:09:35,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 19:09:35,385 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.473684210526316) internal successors, (104), 18 states have internal predecessors, (104), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 106 [2024-11-08 19:09:35,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:35,388 INFO L225 Difference]: With dead ends: 869 [2024-11-08 19:09:35,388 INFO L226 Difference]: Without dead ends: 681 [2024-11-08 19:09:35,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=237, Invalid=1095, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 19:09:35,394 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 468 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:35,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 1307 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-08 19:09:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-08 19:09:35,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 657. [2024-11-08 19:09:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 591 states have (on average 1.3164128595600677) internal successors, (778), 596 states have internal predecessors, (778), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 51 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 19:09:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 890 transitions. [2024-11-08 19:09:35,462 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 890 transitions. Word has length 106 [2024-11-08 19:09:35,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:35,465 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 890 transitions. [2024-11-08 19:09:35,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.473684210526316) internal successors, (104), 18 states have internal predecessors, (104), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 19:09:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 890 transitions. [2024-11-08 19:09:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:09:35,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:35,467 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:35,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:35,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:35,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:35,868 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:35,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:35,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1770577518, now seen corresponding path program 1 times [2024-11-08 19:09:35,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:35,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184216116] [2024-11-08 19:09:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:35,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:35,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:35,871 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:35,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-08 19:09:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:36,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:09:36,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:09:36,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:37,177 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:37,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184216116] [2024-11-08 19:09:37,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184216116] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:37,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:37,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-08 19:09:37,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005196833] [2024-11-08 19:09:37,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:37,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:37,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:37,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:37,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:09:37,180 INFO L87 Difference]: Start difference. First operand 657 states and 890 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:37,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:37,381 INFO L93 Difference]: Finished difference Result 1154 states and 1565 transitions. [2024-11-08 19:09:37,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:37,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-08 19:09:37,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:37,386 INFO L225 Difference]: With dead ends: 1154 [2024-11-08 19:09:37,386 INFO L226 Difference]: Without dead ends: 638 [2024-11-08 19:09:37,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:09:37,388 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 57 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:37,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 515 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:09:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-08 19:09:37,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 636. [2024-11-08 19:09:37,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 570 states have (on average 1.3070175438596492) internal successors, (745), 575 states have internal predecessors, (745), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 51 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 19:09:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 857 transitions. [2024-11-08 19:09:37,451 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 857 transitions. Word has length 106 [2024-11-08 19:09:37,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:37,452 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 857 transitions. [2024-11-08 19:09:37,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 857 transitions. [2024-11-08 19:09:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 19:09:37,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:37,454 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:37,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-08 19:09:37,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:37,655 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:37,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:37,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1782459277, now seen corresponding path program 1 times [2024-11-08 19:09:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:37,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715144034] [2024-11-08 19:09:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:37,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:37,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:37,658 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:37,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-08 19:09:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:38,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:09:38,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 19:09:38,089 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:38,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:38,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715144034] [2024-11-08 19:09:38,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715144034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:38,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:38,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:09:38,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900406428] [2024-11-08 19:09:38,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:38,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:09:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:38,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:09:38,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:09:38,093 INFO L87 Difference]: Start difference. First operand 636 states and 857 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:09:38,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:38,260 INFO L93 Difference]: Finished difference Result 1183 states and 1595 transitions. [2024-11-08 19:09:38,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:09:38,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2024-11-08 19:09:38,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:38,271 INFO L225 Difference]: With dead ends: 1183 [2024-11-08 19:09:38,272 INFO L226 Difference]: Without dead ends: 636 [2024-11-08 19:09:38,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:09:38,274 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:38,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 397 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:09:38,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-08 19:09:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-11-08 19:09:38,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 570 states have (on average 1.3035087719298246) internal successors, (743), 575 states have internal predecessors, (743), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 51 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 19:09:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 855 transitions. [2024-11-08 19:09:38,347 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 855 transitions. Word has length 106 [2024-11-08 19:09:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:38,348 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 855 transitions. [2024-11-08 19:09:38,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:09:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 855 transitions. [2024-11-08 19:09:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:09:38,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:38,350 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:38,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-08 19:09:38,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:38,551 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:38,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1914967752, now seen corresponding path program 1 times [2024-11-08 19:09:38,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:38,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578076329] [2024-11-08 19:09:38,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:38,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:38,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:38,558 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:38,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-08 19:09:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:39,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:09:39,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:39,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:09:39,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:09:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:39,586 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:39,587 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:39,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578076329] [2024-11-08 19:09:39,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578076329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:39,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:39,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:09:39,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526821376] [2024-11-08 19:09:39,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:39,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:09:39,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:39,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:09:39,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:09:39,589 INFO L87 Difference]: Start difference. First operand 636 states and 855 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:40,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:40,633 INFO L93 Difference]: Finished difference Result 1554 states and 2080 transitions. [2024-11-08 19:09:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:09:40,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-08 19:09:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:40,644 INFO L225 Difference]: With dead ends: 1554 [2024-11-08 19:09:40,644 INFO L226 Difference]: Without dead ends: 1059 [2024-11-08 19:09:40,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:09:40,646 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 239 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:40,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1038 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:09:40,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-11-08 19:09:40,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 798. [2024-11-08 19:09:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 706 states have (on average 1.2974504249291785) internal successors, (916), 714 states have internal predecessors, (916), 78 states have call successors, (78), 13 states have call predecessors, (78), 13 states have return successors, (78), 70 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-08 19:09:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1072 transitions. [2024-11-08 19:09:40,735 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1072 transitions. Word has length 107 [2024-11-08 19:09:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:40,736 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1072 transitions. [2024-11-08 19:09:40,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1072 transitions. [2024-11-08 19:09:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:09:40,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:40,738 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:40,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-08 19:09:40,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:40,939 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:40,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:40,940 INFO L85 PathProgramCache]: Analyzing trace with hash -283449080, now seen corresponding path program 1 times [2024-11-08 19:09:40,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:40,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138977704] [2024-11-08 19:09:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:40,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:40,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:40,944 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:40,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-08 19:09:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:41,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:09:41,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:41,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-11-08 19:09:41,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 19:09:41,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:09:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:09:44,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:44,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:44,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138977704] [2024-11-08 19:09:44,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138977704] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:44,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:44,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-08 19:09:44,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909717444] [2024-11-08 19:09:44,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:44,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:44,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:44,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:44,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:09:44,498 INFO L87 Difference]: Start difference. First operand 798 states and 1072 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:45,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:45,090 INFO L93 Difference]: Finished difference Result 1443 states and 1922 transitions. [2024-11-08 19:09:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:45,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-08 19:09:45,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:45,098 INFO L225 Difference]: With dead ends: 1443 [2024-11-08 19:09:45,099 INFO L226 Difference]: Without dead ends: 948 [2024-11-08 19:09:45,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:09:45,101 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 126 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:45,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 433 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:09:45,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-08 19:09:45,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 944. [2024-11-08 19:09:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 841 states have (on average 1.2889417360285376) internal successors, (1084), 851 states have internal predecessors, (1084), 82 states have call successors, (82), 20 states have call predecessors, (82), 20 states have return successors, (82), 72 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-08 19:09:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1248 transitions. [2024-11-08 19:09:45,200 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1248 transitions. Word has length 107 [2024-11-08 19:09:45,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:45,201 INFO L471 AbstractCegarLoop]: Abstraction has 944 states and 1248 transitions. [2024-11-08 19:09:45,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1248 transitions. [2024-11-08 19:09:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:09:45,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:45,205 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:45,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-08 19:09:45,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:45,406 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:45,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:45,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1810569099, now seen corresponding path program 1 times [2024-11-08 19:09:45,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:45,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660418657] [2024-11-08 19:09:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:45,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:45,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:45,409 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:45,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-08 19:09:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:45,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:09:45,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:45,878 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:45,879 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:45,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660418657] [2024-11-08 19:09:45,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660418657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:45,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:45,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:09:45,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312080292] [2024-11-08 19:09:45,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:45,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:09:45,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:45,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:09:45,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:09:45,882 INFO L87 Difference]: Start difference. First operand 944 states and 1248 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:46,027 INFO L93 Difference]: Finished difference Result 1582 states and 2097 transitions. [2024-11-08 19:09:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:09:46,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-08 19:09:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:46,033 INFO L225 Difference]: With dead ends: 1582 [2024-11-08 19:09:46,033 INFO L226 Difference]: Without dead ends: 936 [2024-11-08 19:09:46,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:09:46,035 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:46,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:09:46,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-08 19:09:46,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2024-11-08 19:09:46,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 833 states have (on average 1.2869147659063624) internal successors, (1072), 843 states have internal predecessors, (1072), 82 states have call successors, (82), 20 states have call predecessors, (82), 20 states have return successors, (82), 72 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-08 19:09:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1236 transitions. [2024-11-08 19:09:46,109 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1236 transitions. Word has length 107 [2024-11-08 19:09:46,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:46,110 INFO L471 AbstractCegarLoop]: Abstraction has 936 states and 1236 transitions. [2024-11-08 19:09:46,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1236 transitions. [2024-11-08 19:09:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:09:46,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:46,112 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:46,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-08 19:09:46,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:46,313 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:46,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:46,314 INFO L85 PathProgramCache]: Analyzing trace with hash 639324020, now seen corresponding path program 1 times [2024-11-08 19:09:46,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:46,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691744395] [2024-11-08 19:09:46,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:46,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:46,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:46,318 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:46,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-08 19:09:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:46,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:09:46,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:47,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 19:09:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:09:47,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:09:48,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:48,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691744395] [2024-11-08 19:09:48,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691744395] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:48,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:48,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-08 19:09:48,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671186260] [2024-11-08 19:09:48,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:48,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:48,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:48,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:48,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:09:48,042 INFO L87 Difference]: Start difference. First operand 936 states and 1236 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:48,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:48,274 INFO L93 Difference]: Finished difference Result 1540 states and 2032 transitions. [2024-11-08 19:09:48,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:48,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-08 19:09:48,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:48,279 INFO L225 Difference]: With dead ends: 1540 [2024-11-08 19:09:48,279 INFO L226 Difference]: Without dead ends: 920 [2024-11-08 19:09:48,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:09:48,282 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 57 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:48,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 582 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:09:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2024-11-08 19:09:48,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 892. [2024-11-08 19:09:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 789 states have (on average 1.2775665399239544) internal successors, (1008), 799 states have internal predecessors, (1008), 82 states have call successors, (82), 20 states have call predecessors, (82), 20 states have return successors, (82), 72 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-08 19:09:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1172 transitions. [2024-11-08 19:09:48,364 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1172 transitions. Word has length 107 [2024-11-08 19:09:48,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:48,365 INFO L471 AbstractCegarLoop]: Abstraction has 892 states and 1172 transitions. [2024-11-08 19:09:48,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:09:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1172 transitions. [2024-11-08 19:09:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:09:48,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:48,367 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:09:48,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-08 19:09:48,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:48,568 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:48,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:48,568 INFO L85 PathProgramCache]: Analyzing trace with hash 497329111, now seen corresponding path program 1 times [2024-11-08 19:09:48,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:48,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792408106] [2024-11-08 19:09:48,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:48,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:48,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:48,571 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:09:48,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-08 19:09:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:49,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 19:09:49,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:51,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:09:51,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:51,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 133 [2024-11-08 19:09:51,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:51,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 286 treesize of output 136 [2024-11-08 19:09:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 19:09:51,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:52,476 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:52,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792408106] [2024-11-08 19:09:52,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792408106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:52,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774214989] [2024-11-08 19:09:52,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:52,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:52,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:09:52,478 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:09:52,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 19:09:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:53,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 19:09:53,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:54,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-08 19:09:56,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:09:57,571 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:57,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 121 [2024-11-08 19:09:57,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:57,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 213 treesize of output 117 [2024-11-08 19:09:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 139 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-08 19:09:57,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:57,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774214989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:57,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:09:57,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2024-11-08 19:09:57,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152476764] [2024-11-08 19:09:57,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:09:57,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 19:09:57,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:57,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 19:09:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2024-11-08 19:09:57,956 INFO L87 Difference]: Start difference. First operand 892 states and 1172 transitions. Second operand has 26 states, 24 states have (on average 4.75) internal successors, (114), 23 states have internal predecessors, (114), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 19:10:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:16,691 INFO L93 Difference]: Finished difference Result 2493 states and 3233 transitions. [2024-11-08 19:10:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-08 19:10:16,693 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.75) internal successors, (114), 23 states have internal predecessors, (114), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 108 [2024-11-08 19:10:16,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:16,702 INFO L225 Difference]: With dead ends: 2493 [2024-11-08 19:10:16,702 INFO L226 Difference]: Without dead ends: 1891 [2024-11-08 19:10:16,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=726, Invalid=4104, Unknown=0, NotChecked=0, Total=4830 [2024-11-08 19:10:16,721 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1089 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 1902 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:16,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 3000 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1902 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-11-08 19:10:16,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2024-11-08 19:10:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1205. [2024-11-08 19:10:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1061 states have (on average 1.2761545711592837) internal successors, (1354), 1075 states have internal predecessors, (1354), 112 states have call successors, (112), 31 states have call predecessors, (112), 31 states have return successors, (112), 98 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-08 19:10:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1578 transitions. [2024-11-08 19:10:16,861 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1578 transitions. Word has length 108 [2024-11-08 19:10:16,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:16,862 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1578 transitions. [2024-11-08 19:10:16,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.75) internal successors, (114), 23 states have internal predecessors, (114), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 19:10:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1578 transitions. [2024-11-08 19:10:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:10:16,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:16,865 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:10:16,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-08 19:10:17,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-08 19:10:17,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:17,266 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:17,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1097340863, now seen corresponding path program 1 times [2024-11-08 19:10:17,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:17,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67336891] [2024-11-08 19:10:17,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:17,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:17,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:17,269 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:10:17,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-08 19:10:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:17,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:10:17,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:18,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 19:10:18,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 19:10:18,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2024-11-08 19:10:18,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-11-08 19:10:18,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 19:10:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:10:18,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:10:18,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:18,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67336891] [2024-11-08 19:10:18,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67336891] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:18,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:10:18,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-11-08 19:10:18,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697745998] [2024-11-08 19:10:18,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:18,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:10:18,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:18,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:10:18,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:10:18,938 INFO L87 Difference]: Start difference. First operand 1205 states and 1578 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:19,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:19,651 INFO L93 Difference]: Finished difference Result 1987 states and 2589 transitions. [2024-11-08 19:10:19,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:10:19,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:10:19,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:19,662 INFO L225 Difference]: With dead ends: 1987 [2024-11-08 19:10:19,662 INFO L226 Difference]: Without dead ends: 1203 [2024-11-08 19:10:19,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:10:19,666 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 53 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:19,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 455 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:10:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2024-11-08 19:10:19,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1131. [2024-11-08 19:10:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 989 states have (on average 1.2679474216380182) internal successors, (1254), 1001 states have internal predecessors, (1254), 108 states have call successors, (108), 33 states have call predecessors, (108), 33 states have return successors, (108), 96 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 19:10:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1470 transitions. [2024-11-08 19:10:19,826 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1470 transitions. Word has length 108 [2024-11-08 19:10:19,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:19,827 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1470 transitions. [2024-11-08 19:10:19,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1470 transitions. [2024-11-08 19:10:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:10:19,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:19,830 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:10:19,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-08 19:10:20,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:20,031 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:20,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:20,032 INFO L85 PathProgramCache]: Analyzing trace with hash 725899969, now seen corresponding path program 1 times [2024-11-08 19:10:20,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:20,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758659385] [2024-11-08 19:10:20,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:20,033 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:20,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:20,037 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:10:20,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-08 19:10:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:20,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:10:20,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:20,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:10:20,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-08 19:10:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:10:20,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:10:20,900 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:20,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758659385] [2024-11-08 19:10:20,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758659385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:10:20,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:10:20,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:10:20,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853075296] [2024-11-08 19:10:20,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:20,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:10:20,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:20,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:10:20,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:10:20,902 INFO L87 Difference]: Start difference. First operand 1131 states and 1470 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:21,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:21,177 INFO L93 Difference]: Finished difference Result 1991 states and 2579 transitions. [2024-11-08 19:10:21,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:10:21,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:10:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:21,186 INFO L225 Difference]: With dead ends: 1991 [2024-11-08 19:10:21,187 INFO L226 Difference]: Without dead ends: 1131 [2024-11-08 19:10:21,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:10:21,190 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 110 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:21,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 595 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:10:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-08 19:10:21,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1131. [2024-11-08 19:10:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 989 states have (on average 1.256825075834176) internal successors, (1243), 1001 states have internal predecessors, (1243), 108 states have call successors, (108), 33 states have call predecessors, (108), 33 states have return successors, (108), 96 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 19:10:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1459 transitions. [2024-11-08 19:10:21,319 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1459 transitions. Word has length 108 [2024-11-08 19:10:21,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:21,319 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1459 transitions. [2024-11-08 19:10:21,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1459 transitions. [2024-11-08 19:10:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:10:21,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:21,322 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:10:21,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-08 19:10:21,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:21,522 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:21,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:21,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1050954435, now seen corresponding path program 1 times [2024-11-08 19:10:21,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:21,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836614362] [2024-11-08 19:10:21,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:21,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:21,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:21,525 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:10:21,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-08 19:10:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:22,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:10:22,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:23,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:10:25,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:10:25,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 130 [2024-11-08 19:10:25,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:10:25,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 135 [2024-11-08 19:10:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 19:10:25,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:10:27,121 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:27,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836614362] [2024-11-08 19:10:27,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836614362] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:27,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:10:27,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2024-11-08 19:10:27,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170916611] [2024-11-08 19:10:27,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:27,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:10:27,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:27,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:10:27,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:10:27,124 INFO L87 Difference]: Start difference. First operand 1131 states and 1459 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:29,609 INFO L93 Difference]: Finished difference Result 1310 states and 1662 transitions. [2024-11-08 19:10:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:10:29,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:10:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:29,616 INFO L225 Difference]: With dead ends: 1310 [2024-11-08 19:10:29,616 INFO L226 Difference]: Without dead ends: 1308 [2024-11-08 19:10:29,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2024-11-08 19:10:29,617 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 158 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:29,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 987 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 230 Invalid, 1 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 19:10:29,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2024-11-08 19:10:29,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 560. [2024-11-08 19:10:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 493 states have (on average 1.2657200811359026) internal successors, (624), 497 states have internal predecessors, (624), 49 states have call successors, (49), 17 states have call predecessors, (49), 17 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-08 19:10:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 722 transitions. [2024-11-08 19:10:29,717 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 722 transitions. Word has length 108 [2024-11-08 19:10:29,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:29,718 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 722 transitions. [2024-11-08 19:10:29,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 722 transitions. [2024-11-08 19:10:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:10:29,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:29,720 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:10:29,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-08 19:10:29,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:29,921 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:29,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:29,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1049107393, now seen corresponding path program 1 times [2024-11-08 19:10:29,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:29,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338734210] [2024-11-08 19:10:29,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:29,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:29,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:29,926 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:10:29,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-08 19:10:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:30,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:10:30,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:31,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:10:31,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:10:31,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:10:31,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2024-11-08 19:10:31,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2024-11-08 19:10:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:10:31,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:31,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-11-08 19:10:31,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 19:10:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:10:32,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:32,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338734210] [2024-11-08 19:10:32,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338734210] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:32,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:10:32,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 11 [2024-11-08 19:10:32,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251781897] [2024-11-08 19:10:32,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:32,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:10:32,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:32,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:10:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:10:32,078 INFO L87 Difference]: Start difference. First operand 560 states and 722 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:32,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:32,439 INFO L93 Difference]: Finished difference Result 964 states and 1233 transitions. [2024-11-08 19:10:32,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:10:32,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:10:32,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:32,442 INFO L225 Difference]: With dead ends: 964 [2024-11-08 19:10:32,442 INFO L226 Difference]: Without dead ends: 572 [2024-11-08 19:10:32,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:10:32,444 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 191 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:32,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 606 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:10:32,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-08 19:10:32,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 564. [2024-11-08 19:10:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 497 states have (on average 1.2535211267605635) internal successors, (623), 501 states have internal predecessors, (623), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-08 19:10:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 717 transitions. [2024-11-08 19:10:32,538 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 717 transitions. Word has length 108 [2024-11-08 19:10:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:32,539 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 717 transitions. [2024-11-08 19:10:32,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 717 transitions. [2024-11-08 19:10:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:10:32,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:32,543 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:10:32,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2024-11-08 19:10:32,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:32,744 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:32,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:32,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1405958339, now seen corresponding path program 1 times [2024-11-08 19:10:32,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:32,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897772973] [2024-11-08 19:10:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:32,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:32,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:32,749 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:10:32,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-08 19:10:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:33,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:10:33,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:10:33,454 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:10:33,454 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:33,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897772973] [2024-11-08 19:10:33,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897772973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:10:33,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:10:33,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:10:33,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49997901] [2024-11-08 19:10:33,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:33,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:10:33,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:33,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:10:33,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:10:33,456 INFO L87 Difference]: Start difference. First operand 564 states and 717 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:33,568 INFO L93 Difference]: Finished difference Result 979 states and 1239 transitions. [2024-11-08 19:10:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:10:33,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-08 19:10:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:33,571 INFO L225 Difference]: With dead ends: 979 [2024-11-08 19:10:33,571 INFO L226 Difference]: Without dead ends: 579 [2024-11-08 19:10:33,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:10:33,573 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:33,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 508 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:10:33,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-08 19:10:33,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2024-11-08 19:10:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 512 states have (on average 1.24609375) internal successors, (638), 516 states have internal predecessors, (638), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-08 19:10:33,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 732 transitions. [2024-11-08 19:10:33,659 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 732 transitions. Word has length 108 [2024-11-08 19:10:33,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:33,659 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 732 transitions. [2024-11-08 19:10:33,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:10:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 732 transitions. [2024-11-08 19:10:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:10:33,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:33,661 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:10:33,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-08 19:10:33,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:33,862 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:33,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:33,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1402334441, now seen corresponding path program 1 times [2024-11-08 19:10:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:33,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021352947] [2024-11-08 19:10:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:33,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:33,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:33,867 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:10:33,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-08 19:10:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:34,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:10:34,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-08 19:10:34,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:10:34,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:34,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021352947] [2024-11-08 19:10:34,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021352947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:10:34,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:10:34,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:10:34,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646898470] [2024-11-08 19:10:34,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:34,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:10:34,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:34,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:10:34,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:10:34,381 INFO L87 Difference]: Start difference. First operand 579 states and 732 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:10:34,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:34,720 INFO L93 Difference]: Finished difference Result 1019 states and 1276 transitions. [2024-11-08 19:10:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:10:34,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 108 [2024-11-08 19:10:34,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:34,729 INFO L225 Difference]: With dead ends: 1019 [2024-11-08 19:10:34,729 INFO L226 Difference]: Without dead ends: 483 [2024-11-08 19:10:34,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:10:34,732 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:34,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 571 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:10:34,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-08 19:10:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 461. [2024-11-08 19:10:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 405 states have (on average 1.2271604938271605) internal successors, (497), 409 states have internal predecessors, (497), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 35 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 19:10:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 575 transitions. [2024-11-08 19:10:34,837 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 575 transitions. Word has length 108 [2024-11-08 19:10:34,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:34,838 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 575 transitions. [2024-11-08 19:10:34,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:10:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 575 transitions. [2024-11-08 19:10:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:10:34,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:34,840 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:10:34,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-08 19:10:35,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:35,041 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:35,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:35,042 INFO L85 PathProgramCache]: Analyzing trace with hash 53369302, now seen corresponding path program 1 times [2024-11-08 19:10:35,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:35,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062559664] [2024-11-08 19:10:35,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:35,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:35,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:35,046 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:10:35,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-08 19:10:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:35,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:10:35,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:37,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:10:37,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:10:37,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 133 [2024-11-08 19:10:37,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:10:37,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 138 [2024-11-08 19:10:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 19:10:38,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:38,686 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062559664] [2024-11-08 19:10:38,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062559664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290027928] [2024-11-08 19:10:38,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:38,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:10:38,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:10:38,689 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:10:38,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-08 19:10:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:39,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 19:10:39,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:40,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-08 19:10:45,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:10:47,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:10:47,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 121 [2024-11-08 19:10:47,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:10:47,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 274 treesize of output 146 [2024-11-08 19:10:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-08 19:10:47,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:47,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290027928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:47,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:10:47,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 19 [2024-11-08 19:10:47,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734330174] [2024-11-08 19:10:47,715 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:10:47,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 19:10:47,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:47,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 19:10:47,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2024-11-08 19:10:47,717 INFO L87 Difference]: Start difference. First operand 461 states and 575 transitions. Second operand has 20 states, 20 states have (on average 5.45) internal successors, (109), 19 states have internal predecessors, (109), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 19:11:18,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:18,200 INFO L93 Difference]: Finished difference Result 1504 states and 1845 transitions. [2024-11-08 19:11:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 19:11:18,204 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.45) internal successors, (109), 19 states have internal predecessors, (109), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 109 [2024-11-08 19:11:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:18,208 INFO L225 Difference]: With dead ends: 1504 [2024-11-08 19:11:18,208 INFO L226 Difference]: Without dead ends: 1175 [2024-11-08 19:11:18,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=298, Invalid=1594, Unknown=0, NotChecked=0, Total=1892 [2024-11-08 19:11:18,210 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 546 mSDsluCounter, 2091 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:18,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 2261 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2024-11-08 19:11:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2024-11-08 19:11:18,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1086. [2024-11-08 19:11:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 966 states have (on average 1.2215320910973084) internal successors, (1180), 977 states have internal predecessors, (1180), 84 states have call successors, (84), 35 states have call predecessors, (84), 35 states have return successors, (84), 73 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 19:11:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1348 transitions. [2024-11-08 19:11:18,449 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1348 transitions. Word has length 109 [2024-11-08 19:11:18,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:18,450 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1348 transitions. [2024-11-08 19:11:18,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.45) internal successors, (109), 19 states have internal predecessors, (109), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 19:11:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1348 transitions. [2024-11-08 19:11:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:11:18,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:18,453 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:18,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-08 19:11:18,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-08 19:11:18,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:11:18,854 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:18,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:18,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1650302720, now seen corresponding path program 1 times [2024-11-08 19:11:18,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:18,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328372689] [2024-11-08 19:11:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:18,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:18,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:18,857 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:11:18,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-08 19:11:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:19,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:11:19,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:11:19,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:11:19,362 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:19,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328372689] [2024-11-08 19:11:19,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328372689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:11:19,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:11:19,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:11:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106601246] [2024-11-08 19:11:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:19,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:11:19,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:19,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:11:19,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:11:19,365 INFO L87 Difference]: Start difference. First operand 1086 states and 1348 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:19,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:19,540 INFO L93 Difference]: Finished difference Result 1801 states and 2237 transitions. [2024-11-08 19:11:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:11:19,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-08 19:11:19,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:19,546 INFO L225 Difference]: With dead ends: 1801 [2024-11-08 19:11:19,546 INFO L226 Difference]: Without dead ends: 1076 [2024-11-08 19:11:19,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:11:19,549 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:19,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:11:19,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-08 19:11:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2024-11-08 19:11:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 956 states have (on average 1.2186192468619246) internal successors, (1165), 967 states have internal predecessors, (1165), 84 states have call successors, (84), 35 states have call predecessors, (84), 35 states have return successors, (84), 73 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 19:11:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1333 transitions. [2024-11-08 19:11:19,824 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1333 transitions. Word has length 109 [2024-11-08 19:11:19,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:19,824 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1333 transitions. [2024-11-08 19:11:19,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1333 transitions. [2024-11-08 19:11:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:11:19,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:19,827 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:19,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2024-11-08 19:11:20,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:20,028 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:20,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:20,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1255993079, now seen corresponding path program 1 times [2024-11-08 19:11:20,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:20,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695531125] [2024-11-08 19:11:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:20,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:20,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:20,034 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:11:20,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-08 19:11:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:20,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:11:20,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:20,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 19:11:20,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2024-11-08 19:11:21,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2024-11-08 19:11:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:11:21,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:11:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:11:22,477 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:22,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695531125] [2024-11-08 19:11:22,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695531125] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:11:22,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:11:22,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [13] total 22 [2024-11-08 19:11:22,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137035814] [2024-11-08 19:11:22,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:22,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:11:22,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:22,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:11:22,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2024-11-08 19:11:22,479 INFO L87 Difference]: Start difference. First operand 1076 states and 1333 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:24,467 INFO L93 Difference]: Finished difference Result 1831 states and 2259 transitions. [2024-11-08 19:11:24,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:11:24,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-08 19:11:24,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:24,476 INFO L225 Difference]: With dead ends: 1831 [2024-11-08 19:11:24,476 INFO L226 Difference]: Without dead ends: 1116 [2024-11-08 19:11:24,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2024-11-08 19:11:24,478 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 183 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:24,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1616 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 19:11:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-11-08 19:11:24,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1076. [2024-11-08 19:11:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 956 states have (on average 1.2165271966527196) internal successors, (1163), 967 states have internal predecessors, (1163), 84 states have call successors, (84), 35 states have call predecessors, (84), 35 states have return successors, (84), 73 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 19:11:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1331 transitions. [2024-11-08 19:11:24,703 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1331 transitions. Word has length 109 [2024-11-08 19:11:24,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:24,703 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1331 transitions. [2024-11-08 19:11:24,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1331 transitions. [2024-11-08 19:11:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:11:24,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:24,705 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:24,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2024-11-08 19:11:24,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:24,906 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:24,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:24,907 INFO L85 PathProgramCache]: Analyzing trace with hash 497269976, now seen corresponding path program 1 times [2024-11-08 19:11:24,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:24,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253911121] [2024-11-08 19:11:24,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:24,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:24,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:24,908 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:11:24,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-08 19:11:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:25,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:11:25,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 19:11:25,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:11:25,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:25,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253911121] [2024-11-08 19:11:25,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253911121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:11:25,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:11:25,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:11:25,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863820696] [2024-11-08 19:11:25,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:25,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:11:25,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:25,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:11:25,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:11:25,362 INFO L87 Difference]: Start difference. First operand 1076 states and 1331 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:11:25,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:25,675 INFO L93 Difference]: Finished difference Result 1908 states and 2359 transitions. [2024-11-08 19:11:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:11:25,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-08 19:11:25,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:25,682 INFO L225 Difference]: With dead ends: 1908 [2024-11-08 19:11:25,682 INFO L226 Difference]: Without dead ends: 1076 [2024-11-08 19:11:25,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:11:25,684 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:25,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 376 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:11:25,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-08 19:11:25,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2024-11-08 19:11:25,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 956 states have (on average 1.2123430962343096) internal successors, (1159), 967 states have internal predecessors, (1159), 84 states have call successors, (84), 35 states have call predecessors, (84), 35 states have return successors, (84), 73 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 19:11:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1327 transitions. [2024-11-08 19:11:25,894 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1327 transitions. Word has length 109 [2024-11-08 19:11:25,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:25,895 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1327 transitions. [2024-11-08 19:11:25,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:11:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1327 transitions. [2024-11-08 19:11:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:11:25,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:25,897 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:25,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-08 19:11:26,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:26,098 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:26,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:26,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1520116536, now seen corresponding path program 1 times [2024-11-08 19:11:26,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:26,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319277485] [2024-11-08 19:11:26,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:26,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:26,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:26,103 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:11:26,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-08 19:11:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:26,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:11:26,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:26,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 19:11:26,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:11:26,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-08 19:11:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:11:27,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:11:27,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:27,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319277485] [2024-11-08 19:11:27,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319277485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:11:27,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:11:27,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:11:27,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528659003] [2024-11-08 19:11:27,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:27,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:11:27,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:27,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:11:27,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:11:27,050 INFO L87 Difference]: Start difference. First operand 1076 states and 1327 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:28,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:28,209 INFO L93 Difference]: Finished difference Result 1954 states and 2391 transitions. [2024-11-08 19:11:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:11:28,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:11:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:28,217 INFO L225 Difference]: With dead ends: 1954 [2024-11-08 19:11:28,217 INFO L226 Difference]: Without dead ends: 1239 [2024-11-08 19:11:28,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:11:28,219 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 87 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:28,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 464 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:11:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2024-11-08 19:11:28,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1056. [2024-11-08 19:11:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 936 states have (on average 1.204059829059829) internal successors, (1127), 947 states have internal predecessors, (1127), 84 states have call successors, (84), 35 states have call predecessors, (84), 35 states have return successors, (84), 73 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 19:11:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1295 transitions. [2024-11-08 19:11:28,485 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1295 transitions. Word has length 110 [2024-11-08 19:11:28,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:28,485 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1295 transitions. [2024-11-08 19:11:28,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1295 transitions. [2024-11-08 19:11:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:11:28,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:28,488 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:28,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2024-11-08 19:11:28,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:28,689 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:28,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1665987598, now seen corresponding path program 1 times [2024-11-08 19:11:28,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:28,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826377213] [2024-11-08 19:11:28,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:28,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:28,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:28,691 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:11:28,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-08 19:11:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:29,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:11:29,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:29,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 19:11:29,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:11:29,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 19:11:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:11:29,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:11:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:11:30,313 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:30,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826377213] [2024-11-08 19:11:30,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826377213] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:11:30,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:11:30,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 17 [2024-11-08 19:11:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259915693] [2024-11-08 19:11:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:30,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:11:30,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:11:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:11:30,315 INFO L87 Difference]: Start difference. First operand 1056 states and 1295 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:31,412 INFO L93 Difference]: Finished difference Result 1747 states and 2138 transitions. [2024-11-08 19:11:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:11:31,413 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-08 19:11:31,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:31,418 INFO L225 Difference]: With dead ends: 1747 [2024-11-08 19:11:31,419 INFO L226 Difference]: Without dead ends: 1052 [2024-11-08 19:11:31,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-08 19:11:31,421 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 62 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:31,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1422 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:11:31,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2024-11-08 19:11:31,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1050. [2024-11-08 19:11:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 930 states have (on average 1.2021505376344086) internal successors, (1118), 941 states have internal predecessors, (1118), 84 states have call successors, (84), 35 states have call predecessors, (84), 35 states have return successors, (84), 73 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 19:11:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1286 transitions. [2024-11-08 19:11:31,665 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1286 transitions. Word has length 110 [2024-11-08 19:11:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:31,666 INFO L471 AbstractCegarLoop]: Abstraction has 1050 states and 1286 transitions. [2024-11-08 19:11:31,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:11:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1286 transitions. [2024-11-08 19:11:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:11:31,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:31,669 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:31,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-08 19:11:31,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:31,869 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:31,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:31,870 INFO L85 PathProgramCache]: Analyzing trace with hash -89674014, now seen corresponding path program 1 times [2024-11-08 19:11:31,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:31,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042020429] [2024-11-08 19:11:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:31,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:11:31,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:31,872 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:11:31,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-08 19:11:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:32,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 19:11:32,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:34,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:11:35,818 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:11:35,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 130 [2024-11-08 19:11:35,827 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:11:35,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 135 [2024-11-08 19:11:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 19:11:36,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:11:36,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:36,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042020429] [2024-11-08 19:11:36,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042020429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:11:36,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332854310] [2024-11-08 19:11:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:36,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:11:36,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:11:36,728 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:11:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-08 19:12:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:12,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 19:12:12,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:13,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-08 19:12:27,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:12:29,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:12:29,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 118 [2024-11-08 19:12:29,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:12:29,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 123 [2024-11-08 19:12:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 19:12:29,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:12:30,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332854310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:12:30,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:12:30,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 18 [2024-11-08 19:12:30,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154084191] [2024-11-08 19:12:30,214 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:12:30,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 19:12:30,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:30,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 19:12:30,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=443, Unknown=3, NotChecked=0, Total=506 [2024-11-08 19:12:30,216 INFO L87 Difference]: Start difference. First operand 1050 states and 1286 transitions. Second operand has 19 states, 19 states have (on average 6.473684210526316) internal successors, (123), 18 states have internal predecessors, (123), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 19:12:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:46,773 INFO L93 Difference]: Finished difference Result 2090 states and 2538 transitions. [2024-11-08 19:12:46,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 19:12:46,775 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.473684210526316) internal successors, (123), 18 states have internal predecessors, (123), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 111 [2024-11-08 19:12:46,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:46,782 INFO L225 Difference]: With dead ends: 2090 [2024-11-08 19:12:46,782 INFO L226 Difference]: Without dead ends: 2088 [2024-11-08 19:12:46,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=295, Invalid=1424, Unknown=3, NotChecked=0, Total=1722 [2024-11-08 19:12:46,784 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 518 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:46,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1304 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-08 19:12:46,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2024-11-08 19:12:47,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 1506. [2024-11-08 19:12:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1376 states have (on average 1.2347383720930232) internal successors, (1699), 1384 states have internal predecessors, (1699), 91 states have call successors, (91), 38 states have call predecessors, (91), 38 states have return successors, (91), 83 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-08 19:12:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1881 transitions. [2024-11-08 19:12:47,083 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1881 transitions. Word has length 111 [2024-11-08 19:12:47,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:47,083 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 1881 transitions. [2024-11-08 19:12:47,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.473684210526316) internal successors, (123), 18 states have internal predecessors, (123), 4 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 19:12:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1881 transitions. [2024-11-08 19:12:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:12:47,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:47,087 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:47,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2024-11-08 19:12:47,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-08 19:12:47,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:12:47,491 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:47,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:47,492 INFO L85 PathProgramCache]: Analyzing trace with hash -40673839, now seen corresponding path program 1 times [2024-11-08 19:12:47,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:47,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88650448] [2024-11-08 19:12:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:47,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:12:47,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:47,494 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:12:47,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-08 19:12:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:48,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:12:48,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:48,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:12:48,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:12:48,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:12:48,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:12:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:12:48,883 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:12:48,883 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:48,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88650448] [2024-11-08 19:12:48,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88650448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:48,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:48,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:12:48,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881585897] [2024-11-08 19:12:48,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:48,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:12:48,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:48,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:12:48,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:12:48,885 INFO L87 Difference]: Start difference. First operand 1506 states and 1881 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:12:50,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:50,189 INFO L93 Difference]: Finished difference Result 3348 states and 4122 transitions. [2024-11-08 19:12:50,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:12:50,192 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-08 19:12:50,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:50,198 INFO L225 Difference]: With dead ends: 3348 [2024-11-08 19:12:50,198 INFO L226 Difference]: Without dead ends: 2140 [2024-11-08 19:12:50,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:12:50,200 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 323 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:50,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 887 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:12:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2024-11-08 19:12:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1484. [2024-11-08 19:12:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1354 states have (on average 1.2282127031019203) internal successors, (1663), 1362 states have internal predecessors, (1663), 91 states have call successors, (91), 38 states have call predecessors, (91), 38 states have return successors, (91), 83 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-08 19:12:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1845 transitions. [2024-11-08 19:12:50,597 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1845 transitions. Word has length 111 [2024-11-08 19:12:50,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:50,597 INFO L471 AbstractCegarLoop]: Abstraction has 1484 states and 1845 transitions. [2024-11-08 19:12:50,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:12:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1845 transitions. [2024-11-08 19:12:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:12:50,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:50,600 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:50,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2024-11-08 19:12:50,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:12:50,801 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:50,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:50,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1427447611, now seen corresponding path program 1 times [2024-11-08 19:12:50,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:50,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575382580] [2024-11-08 19:12:50,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:50,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:12:50,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:50,803 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:12:50,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-08 19:12:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:51,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:12:51,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:51,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:12:51,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:12:51,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2024-11-08 19:12:51,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 19:12:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:12:51,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:12:51,946 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:51,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575382580] [2024-11-08 19:12:51,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575382580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:51,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:51,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:12:51,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008586264] [2024-11-08 19:12:51,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:51,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:12:51,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:51,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:12:51,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:12:51,948 INFO L87 Difference]: Start difference. First operand 1484 states and 1845 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:12:53,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:53,381 INFO L93 Difference]: Finished difference Result 3209 states and 3948 transitions. [2024-11-08 19:12:53,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:12:53,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-08 19:12:53,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:53,392 INFO L225 Difference]: With dead ends: 3209 [2024-11-08 19:12:53,392 INFO L226 Difference]: Without dead ends: 2027 [2024-11-08 19:12:53,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:12:53,395 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 311 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:53,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 946 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:12:53,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2024-11-08 19:12:53,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1408. [2024-11-08 19:12:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1281 states have (on average 1.228727556596409) internal successors, (1574), 1289 states have internal predecessors, (1574), 88 states have call successors, (88), 38 states have call predecessors, (88), 38 states have return successors, (88), 80 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 19:12:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1750 transitions. [2024-11-08 19:12:53,636 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1750 transitions. Word has length 111 [2024-11-08 19:12:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:53,637 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 1750 transitions. [2024-11-08 19:12:53,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:12:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1750 transitions. [2024-11-08 19:12:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:12:53,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:53,640 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:53,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2024-11-08 19:12:53,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:12:53,840 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:53,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:53,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1571352559, now seen corresponding path program 1 times [2024-11-08 19:12:53,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:53,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318549236] [2024-11-08 19:12:53,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:53,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:12:53,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:53,843 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:12:53,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-08 19:12:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:54,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:12:54,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:54,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:12:54,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 19:12:54,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 19:12:55,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-08 19:12:55,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-08 19:12:55,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-08 19:12:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:12:55,133 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:12:55,133 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:55,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318549236] [2024-11-08 19:12:55,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318549236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:55,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:55,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:12:55,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290241268] [2024-11-08 19:12:55,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:55,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:12:55,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:55,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:12:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:12:55,136 INFO L87 Difference]: Start difference. First operand 1408 states and 1750 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:12:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:57,575 INFO L93 Difference]: Finished difference Result 2772 states and 3428 transitions. [2024-11-08 19:12:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:12:57,577 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-08 19:12:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:57,585 INFO L225 Difference]: With dead ends: 2772 [2024-11-08 19:12:57,585 INFO L226 Difference]: Without dead ends: 1798 [2024-11-08 19:12:57,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:12:57,588 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 345 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:57,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1047 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 19:12:57,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2024-11-08 19:12:57,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1366. [2024-11-08 19:12:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1237 states have (on average 1.232821341956346) internal successors, (1525), 1244 states have internal predecessors, (1525), 90 states have call successors, (90), 38 states have call predecessors, (90), 38 states have return successors, (90), 83 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:12:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1705 transitions. [2024-11-08 19:12:57,893 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1705 transitions. Word has length 111 [2024-11-08 19:12:57,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:57,894 INFO L471 AbstractCegarLoop]: Abstraction has 1366 states and 1705 transitions. [2024-11-08 19:12:57,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:12:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1705 transitions. [2024-11-08 19:12:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:12:57,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:57,898 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:57,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-11-08 19:12:58,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:12:58,099 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:58,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2124909051, now seen corresponding path program 1 times [2024-11-08 19:12:58,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:58,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222321252] [2024-11-08 19:12:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:58,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:12:58,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:58,108 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:12:58,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-08 19:12:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:58,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:12:58,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:58,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:12:58,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 19:12:58,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 19:12:59,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-11-08 19:12:59,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-08 19:12:59,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-08 19:12:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:12:59,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:12:59,551 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:59,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222321252] [2024-11-08 19:12:59,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222321252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:59,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:59,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:12:59,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333541087] [2024-11-08 19:12:59,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:59,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:12:59,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:59,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:12:59,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:12:59,553 INFO L87 Difference]: Start difference. First operand 1366 states and 1705 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:13:01,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:13:01,647 INFO L93 Difference]: Finished difference Result 2842 states and 3506 transitions. [2024-11-08 19:13:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:13:01,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-08 19:13:01,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:13:01,655 INFO L225 Difference]: With dead ends: 2842 [2024-11-08 19:13:01,655 INFO L226 Difference]: Without dead ends: 1694 [2024-11-08 19:13:01,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:13:01,658 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 426 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:13:01,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 877 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 19:13:01,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-08 19:13:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1366. [2024-11-08 19:13:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1237 states have (on average 1.2295877122069523) internal successors, (1521), 1244 states have internal predecessors, (1521), 90 states have call successors, (90), 38 states have call predecessors, (90), 38 states have return successors, (90), 83 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:13:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1701 transitions. [2024-11-08 19:13:01,926 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1701 transitions. Word has length 111 [2024-11-08 19:13:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:13:01,927 INFO L471 AbstractCegarLoop]: Abstraction has 1366 states and 1701 transitions. [2024-11-08 19:13:01,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:13:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1701 transitions. [2024-11-08 19:13:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:13:01,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:13:01,929 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:01,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2024-11-08 19:13:02,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:13:02,130 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:13:02,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1430670396, now seen corresponding path program 1 times [2024-11-08 19:13:02,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:13:02,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826077351] [2024-11-08 19:13:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:02,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:13:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:13:02,132 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:13:02,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-08 19:13:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:02,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:13:03,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:13:04,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:13:05,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:13:05,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 133 [2024-11-08 19:13:05,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:13:05,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 286 treesize of output 136 [2024-11-08 19:13:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-08 19:13:05,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:13:06,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:13:06,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826077351] [2024-11-08 19:13:06,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826077351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:13:06,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428877183] [2024-11-08 19:13:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:06,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:13:06,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:13:06,407 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:13:06,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-08 19:13:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:07,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 19:13:07,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:13:07,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:13:09,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-08 19:13:12,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:13:14,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:13:15,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:13:15,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 121 [2024-11-08 19:13:15,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:13:15,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 256 treesize of output 136 [2024-11-08 19:13:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-08 19:13:15,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:13:16,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 19:13:16,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428877183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:13:16,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:13:16,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 23] total 32 [2024-11-08 19:13:16,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711856446] [2024-11-08 19:13:16,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:13:16,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-08 19:13:16,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:13:16,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-08 19:13:16,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1279, Unknown=0, NotChecked=0, Total=1482 [2024-11-08 19:13:16,947 INFO L87 Difference]: Start difference. First operand 1366 states and 1701 transitions. Second operand has 33 states, 31 states have (on average 3.838709677419355) internal successors, (119), 30 states have internal predecessors, (119), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 19:13:43,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:13:48,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:13:48,535 INFO L93 Difference]: Finished difference Result 4833 states and 5894 transitions. [2024-11-08 19:13:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-08 19:13:48,536 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 3.838709677419355) internal successors, (119), 30 states have internal predecessors, (119), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 111 [2024-11-08 19:13:48,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:13:48,544 INFO L225 Difference]: With dead ends: 4833 [2024-11-08 19:13:48,544 INFO L226 Difference]: Without dead ends: 3685 [2024-11-08 19:13:48,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3300 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=1375, Invalid=9337, Unknown=0, NotChecked=0, Total=10712 [2024-11-08 19:13:48,549 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1222 mSDsluCounter, 3642 mSDsCounter, 0 mSdLazyCounter, 2793 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 3835 SdHoareTripleChecker+Invalid, 3021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:13:48,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 3835 Invalid, 3021 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [228 Valid, 2793 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2024-11-08 19:13:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3685 states. [2024-11-08 19:13:48,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3685 to 1718. [2024-11-08 19:13:48,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1559 states have (on average 1.2341244387427839) internal successors, (1924), 1567 states have internal predecessors, (1924), 109 states have call successors, (109), 49 states have call predecessors, (109), 49 states have return successors, (109), 101 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-08 19:13:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2142 transitions. [2024-11-08 19:13:48,842 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2142 transitions. Word has length 111 [2024-11-08 19:13:48,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:13:48,842 INFO L471 AbstractCegarLoop]: Abstraction has 1718 states and 2142 transitions. [2024-11-08 19:13:48,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 3.838709677419355) internal successors, (119), 30 states have internal predecessors, (119), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 19:13:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2142 transitions. [2024-11-08 19:13:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:13:48,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:13:48,845 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:48,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-08 19:13:49,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2024-11-08 19:13:49,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:13:49,246 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:13:49,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:49,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1325956870, now seen corresponding path program 1 times [2024-11-08 19:13:49,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:13:49,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843971366] [2024-11-08 19:13:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:49,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:13:49,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:13:49,251 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:13:49,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2024-11-08 19:13:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:49,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:13:49,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:13:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 19:13:49,924 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:13:49,924 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:13:49,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843971366] [2024-11-08 19:13:49,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843971366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:13:49,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:13:49,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:13:49,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916523256] [2024-11-08 19:13:49,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:13:49,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:13:49,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:13:49,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:13:49,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:13:49,927 INFO L87 Difference]: Start difference. First operand 1718 states and 2142 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:13:50,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:13:50,631 INFO L93 Difference]: Finished difference Result 2710 states and 3354 transitions. [2024-11-08 19:13:50,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:13:50,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 111 [2024-11-08 19:13:50,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:13:50,641 INFO L225 Difference]: With dead ends: 2710 [2024-11-08 19:13:50,641 INFO L226 Difference]: Without dead ends: 1170 [2024-11-08 19:13:50,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:13:50,644 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:13:50,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 551 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:13:50,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2024-11-08 19:13:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1135. [2024-11-08 19:13:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1027 states have (on average 1.2288218111002922) internal successors, (1262), 1031 states have internal predecessors, (1262), 73 states have call successors, (73), 34 states have call predecessors, (73), 34 states have return successors, (73), 69 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-08 19:13:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1408 transitions. [2024-11-08 19:13:50,853 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1408 transitions. Word has length 111 [2024-11-08 19:13:50,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:13:50,853 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1408 transitions. [2024-11-08 19:13:50,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 19:13:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1408 transitions. [2024-11-08 19:13:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 19:13:50,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:13:50,855 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:50,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2024-11-08 19:13:51,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:13:51,056 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:13:51,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:51,056 INFO L85 PathProgramCache]: Analyzing trace with hash -225122884, now seen corresponding path program 1 times [2024-11-08 19:13:51,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:13:51,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808416779] [2024-11-08 19:13:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:51,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:13:51,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:13:51,058 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:13:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2024-11-08 19:13:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:51,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 19:13:51,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:13:53,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:13:55,061 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:13:55,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 130 [2024-11-08 19:13:55,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:13:55,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 283 treesize of output 133 [2024-11-08 19:13:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 19:13:55,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:13:56,131 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:13:56,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808416779] [2024-11-08 19:13:56,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808416779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:13:56,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173795652] [2024-11-08 19:13:56,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:56,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:13:56,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:13:56,133 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:13:56,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-08 19:13:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:13:56,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 19:13:56,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:13:57,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:13:58,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-08 19:14:02,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:14:05,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:05,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 118 [2024-11-08 19:14:05,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:05,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 253 treesize of output 133 [2024-11-08 19:14:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 139 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-08 19:14:05,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:14:06,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 19:14:07,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173795652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:14:07,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:14:07,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21] total 30 [2024-11-08 19:14:07,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031121200] [2024-11-08 19:14:07,783 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:14:07,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 19:14:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:07,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 19:14:07,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1423, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 19:14:07,785 INFO L87 Difference]: Start difference. First operand 1135 states and 1408 transitions. Second operand has 31 states, 29 states have (on average 4.586206896551724) internal successors, (133), 28 states have internal predecessors, (133), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 19:14:31,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:31,453 INFO L93 Difference]: Finished difference Result 2406 states and 2866 transitions. [2024-11-08 19:14:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-08 19:14:31,454 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 4.586206896551724) internal successors, (133), 28 states have internal predecessors, (133), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 113 [2024-11-08 19:14:31,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:31,458 INFO L225 Difference]: With dead ends: 2406 [2024-11-08 19:14:31,458 INFO L226 Difference]: Without dead ends: 2404 [2024-11-08 19:14:31,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2769 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=1317, Invalid=8189, Unknown=0, NotChecked=0, Total=9506 [2024-11-08 19:14:31,461 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 927 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 2556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:31,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 2839 Invalid, 2556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 2379 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2024-11-08 19:14:31,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-08 19:14:31,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 776. [2024-11-08 19:14:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 684 states have (on average 1.2032163742690059) internal successors, (823), 689 states have internal predecessors, (823), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 58 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-08 19:14:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 949 transitions. [2024-11-08 19:14:31,641 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 949 transitions. Word has length 113 [2024-11-08 19:14:31,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:31,642 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 949 transitions. [2024-11-08 19:14:31,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 4.586206896551724) internal successors, (133), 28 states have internal predecessors, (133), 6 states have call successors, (22), 6 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 19:14:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 949 transitions. [2024-11-08 19:14:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 19:14:31,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:31,644 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:31,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-08 19:14:31,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Ended with exit code 0 [2024-11-08 19:14:32,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:32,045 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:32,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:32,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1147600595, now seen corresponding path program 1 times [2024-11-08 19:14:32,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:32,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24972176] [2024-11-08 19:14:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:32,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:32,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:32,050 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:14:32,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2024-11-08 19:14:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:14:32,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:32,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:14:33,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-08 19:14:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:33,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:33,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:14:33,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24972176] [2024-11-08 19:14:33,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24972176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:33,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:33,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:14:33,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729832394] [2024-11-08 19:14:33,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:33,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:14:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:33,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:14:33,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:14:33,469 INFO L87 Difference]: Start difference. First operand 776 states and 949 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:34,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:34,645 INFO L93 Difference]: Finished difference Result 1813 states and 2183 transitions. [2024-11-08 19:14:34,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:14:34,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2024-11-08 19:14:34,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:34,650 INFO L225 Difference]: With dead ends: 1813 [2024-11-08 19:14:34,651 INFO L226 Difference]: Without dead ends: 1187 [2024-11-08 19:14:34,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:14:34,652 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 196 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:34,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 984 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 19:14:34,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-08 19:14:34,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 794. [2024-11-08 19:14:34,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 702 states have (on average 1.2022792022792024) internal successors, (844), 707 states have internal predecessors, (844), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 58 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-08 19:14:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 970 transitions. [2024-11-08 19:14:34,848 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 970 transitions. Word has length 113 [2024-11-08 19:14:34,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:34,849 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 970 transitions. [2024-11-08 19:14:34,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 970 transitions. [2024-11-08 19:14:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 19:14:34,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:34,850 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:34,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2024-11-08 19:14:35,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:35,051 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:35,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:35,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1043932013, now seen corresponding path program 1 times [2024-11-08 19:14:35,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:35,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810674165] [2024-11-08 19:14:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:35,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:35,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:35,056 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:14:35,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-11-08 19:14:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:14:35,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:35,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:14:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:35,676 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:35,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:14:35,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810674165] [2024-11-08 19:14:35,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810674165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:35,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:35,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:35,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870684637] [2024-11-08 19:14:35,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:35,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:14:35,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:35,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:35,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:35,678 INFO L87 Difference]: Start difference. First operand 794 states and 970 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:35,880 INFO L93 Difference]: Finished difference Result 1395 states and 1698 transitions. [2024-11-08 19:14:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:35,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2024-11-08 19:14:35,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:35,882 INFO L225 Difference]: With dead ends: 1395 [2024-11-08 19:14:35,882 INFO L226 Difference]: Without dead ends: 769 [2024-11-08 19:14:35,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:35,883 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:35,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:35,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-08 19:14:36,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 744. [2024-11-08 19:14:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 652 states have (on average 1.1901840490797546) internal successors, (776), 657 states have internal predecessors, (776), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 58 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-08 19:14:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 902 transitions. [2024-11-08 19:14:36,053 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 902 transitions. Word has length 113 [2024-11-08 19:14:36,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:36,053 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 902 transitions. [2024-11-08 19:14:36,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:36,054 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 902 transitions. [2024-11-08 19:14:36,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 19:14:36,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:36,054 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:36,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2024-11-08 19:14:36,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:36,255 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:36,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:36,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2139166902, now seen corresponding path program 1 times [2024-11-08 19:14:36,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:36,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866132529] [2024-11-08 19:14:36,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:36,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:36,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:36,257 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:14:36,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e84d81c-3e1e-41be-9bcf-f5115e1845a8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2024-11-08 19:21:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:31,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 19:21:31,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:21:39,474 INFO L224 Elim1Store]: Index analysis took 308 ms [2024-11-08 19:21:39,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19