./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya --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 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:51:07,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:51:07,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:51:07,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:51:07,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:51:07,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:51:07,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:51:07,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:51:07,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:51:07,656 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:51:07,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:51:07,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:51:07,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:51:07,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:51:07,658 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:51:07,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:51:07,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:51:07,660 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:51:07,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:51:07,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:51:07,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:51:07,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:51:07,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:51:07,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:51:07,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:51:07,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:51:07,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:51:07,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:51:07,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:51:07,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:51:07,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:51:07,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:51:07,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:51:07,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:51:07,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:51:07,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:51:07,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:51:07,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:51:07,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:51:07,668 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:51:07,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:51:07,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:51:07,668 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_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f [2023-11-29 03:51:07,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:51:07,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:51:07,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:51:07,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:51:07,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:51:07,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-29 03:51:10,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:51:10,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:51:10,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-29 03:51:10,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data/9f8e68c62/b2f93976e7fd40c8be55c0f9818e4b35/FLAG05e93b5b4 [2023-11-29 03:51:10,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data/9f8e68c62/b2f93976e7fd40c8be55c0f9818e4b35 [2023-11-29 03:51:10,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:51:10,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:51:10,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:51:10,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:51:10,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:51:10,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:51:10" (1/1) ... [2023-11-29 03:51:10,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c838b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:10, skipping insertion in model container [2023-11-29 03:51:10,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:51:10" (1/1) ... [2023-11-29 03:51:10,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:51:11,041 WARN L240 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_bfeb6737-1d65-41b0-ae9f-73517ddeb243/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-29 03:51:11,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:51:11,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:51:11,117 WARN L240 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_bfeb6737-1d65-41b0-ae9f-73517ddeb243/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-29 03:51:11,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:51:11,170 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:51:11,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11 WrapperNode [2023-11-29 03:51:11,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:51:11,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:51:11,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:51:11,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:51:11,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,229 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2023-11-29 03:51:11,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:51:11,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:51:11,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:51:11,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:51:11,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,267 INFO L175 MemorySlicer]: Split 120 memory accesses to 2 slices as follows [2, 118]. 98 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 16]. The 17 writes are split as follows [0, 17]. [2023-11-29 03:51:11,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:51:11,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:51:11,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:51:11,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:51:11,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (1/1) ... [2023-11-29 03:51:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:51:11,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:11,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:51:11,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:51:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:51:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 03:51:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 03:51:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:51:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:51:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 03:51:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 03:51:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:51:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:51:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 03:51:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 03:51:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:51:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:51:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:51:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:51:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:51:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:51:11,494 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:51:11,496 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:51:11,905 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:51:11,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:51:11,936 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:51:11,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:11 BoogieIcfgContainer [2023-11-29 03:51:11,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:51:11,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:51:11,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:51:11,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:51:11,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:51:10" (1/3) ... [2023-11-29 03:51:11,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656f5ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:51:11, skipping insertion in model container [2023-11-29 03:51:11,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:11" (2/3) ... [2023-11-29 03:51:11,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656f5ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:51:11, skipping insertion in model container [2023-11-29 03:51:11,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:11" (3/3) ... [2023-11-29 03:51:11,945 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-40.i [2023-11-29 03:51:11,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:51:11,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:51:12,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:51:12,023 INFO L357 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, mHoare=true, 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;@11e2cb09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:51:12,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:51:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 83 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:51:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:51:12,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:12,055 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:12,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:12,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash -744770325, now seen corresponding path program 1 times [2023-11-29 03:51:12,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:12,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517774212] [2023-11-29 03:51:12,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:12,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:12,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:12,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517774212] [2023-11-29 03:51:12,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 03:51:12,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664385681] [2023-11-29 03:51:12,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:12,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:12,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:12,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:12,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:51:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:12,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:51:12,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-29 03:51:12,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:12,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664385681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:12,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:12,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:51:12,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375193330] [2023-11-29 03:51:12,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:12,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:51:12,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:12,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:51:12,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:51:12,625 INFO L87 Difference]: Start difference. First operand has 104 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 83 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:51:12,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:12,668 INFO L93 Difference]: Finished difference Result 205 states and 333 transitions. [2023-11-29 03:51:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:51:12,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 145 [2023-11-29 03:51:12,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:12,680 INFO L225 Difference]: With dead ends: 205 [2023-11-29 03:51:12,680 INFO L226 Difference]: Without dead ends: 102 [2023-11-29 03:51:12,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:51:12,687 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:12,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:51:12,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-29 03:51:12,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-29 03:51:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 81 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:51:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 153 transitions. [2023-11-29 03:51:12,737 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 153 transitions. Word has length 145 [2023-11-29 03:51:12,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:12,738 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 153 transitions. [2023-11-29 03:51:12,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:51:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 153 transitions. [2023-11-29 03:51:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:51:12,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:12,742 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:12,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:51:12,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 03:51:12,945 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:12,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:12,945 INFO L85 PathProgramCache]: Analyzing trace with hash -819847491, now seen corresponding path program 1 times [2023-11-29 03:51:12,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:12,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220653131] [2023-11-29 03:51:12,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:12,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:13,027 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:13,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087586866] [2023-11-29 03:51:13,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:13,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:13,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:13,029 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:13,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:51:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:13,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:51:13,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:13,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:13,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220653131] [2023-11-29 03:51:13,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:13,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087586866] [2023-11-29 03:51:13,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087586866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:13,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:13,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:51:13,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646973749] [2023-11-29 03:51:13,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:13,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:51:13,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:13,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:51:13,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:51:13,360 INFO L87 Difference]: Start difference. First operand 102 states and 153 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:13,420 INFO L93 Difference]: Finished difference Result 215 states and 322 transitions. [2023-11-29 03:51:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:51:13,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2023-11-29 03:51:13,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:13,423 INFO L225 Difference]: With dead ends: 215 [2023-11-29 03:51:13,424 INFO L226 Difference]: Without dead ends: 114 [2023-11-29 03:51:13,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:51:13,426 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 21 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 438 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 [2023-11-29 03:51:13,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 438 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:51:13,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-29 03:51:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 104. [2023-11-29 03:51:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:51:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 155 transitions. [2023-11-29 03:51:13,444 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 155 transitions. Word has length 145 [2023-11-29 03:51:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:13,447 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 155 transitions. [2023-11-29 03:51:13,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2023-11-29 03:51:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:51:13,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:13,451 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:13,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:51:13,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:13,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:13,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:13,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1629194117, now seen corresponding path program 1 times [2023-11-29 03:51:13,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:13,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654195574] [2023-11-29 03:51:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:13,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:13,730 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686720954] [2023-11-29 03:51:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:13,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:13,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:13,732 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:13,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:51:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:13,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:51:13,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:13,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:13,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:13,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654195574] [2023-11-29 03:51:13,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:13,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686720954] [2023-11-29 03:51:13,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686720954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:13,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:13,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:51:13,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840449803] [2023-11-29 03:51:13,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:13,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:51:13,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:13,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:51:13,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:51:13,974 INFO L87 Difference]: Start difference. First operand 104 states and 155 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:14,017 INFO L93 Difference]: Finished difference Result 215 states and 320 transitions. [2023-11-29 03:51:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:51:14,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2023-11-29 03:51:14,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:14,020 INFO L225 Difference]: With dead ends: 215 [2023-11-29 03:51:14,020 INFO L226 Difference]: Without dead ends: 112 [2023-11-29 03:51:14,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:51:14,023 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 12 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:14,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 436 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:51:14,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-29 03:51:14,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2023-11-29 03:51:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:51:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2023-11-29 03:51:14,035 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 145 [2023-11-29 03:51:14,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:14,037 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2023-11-29 03:51:14,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-29 03:51:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:51:14,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:14,040 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:14,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:51:14,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:14,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:14,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:14,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1571935815, now seen corresponding path program 1 times [2023-11-29 03:51:14,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:14,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519742556] [2023-11-29 03:51:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:14,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:14,297 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:14,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406458254] [2023-11-29 03:51:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:14,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:14,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:14,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:14,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:51:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:14,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:51:14,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:14,541 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:14,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:14,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519742556] [2023-11-29 03:51:14,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:14,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406458254] [2023-11-29 03:51:14,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406458254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:14,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:14,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:51:14,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696035947] [2023-11-29 03:51:14,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:14,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:51:14,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:14,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:51:14,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:51:14,545 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:14,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:14,581 INFO L93 Difference]: Finished difference Result 215 states and 318 transitions. [2023-11-29 03:51:14,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:51:14,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2023-11-29 03:51:14,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:14,584 INFO L225 Difference]: With dead ends: 215 [2023-11-29 03:51:14,584 INFO L226 Difference]: Without dead ends: 110 [2023-11-29 03:51:14,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:51:14,586 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 3 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:14,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 436 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:51:14,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-29 03:51:14,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2023-11-29 03:51:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 87 states have internal predecessors, (121), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:51:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2023-11-29 03:51:14,598 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 145 [2023-11-29 03:51:14,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:14,599 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2023-11-29 03:51:14,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2023-11-29 03:51:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:51:14,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:14,602 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:14,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:51:14,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-29 03:51:14,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:14,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1571876233, now seen corresponding path program 1 times [2023-11-29 03:51:14,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:14,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529974572] [2023-11-29 03:51:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:14,852 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:14,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441584080] [2023-11-29 03:51:14,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:14,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:14,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:14,854 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:14,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:51:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:15,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:51:15,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:15,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:15,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:15,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529974572] [2023-11-29 03:51:15,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:15,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441584080] [2023-11-29 03:51:15,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441584080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:15,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:15,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:51:15,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373270837] [2023-11-29 03:51:15,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:15,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:51:15,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:15,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:51:15,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:51:15,082 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:15,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:15,122 INFO L93 Difference]: Finished difference Result 245 states and 360 transitions. [2023-11-29 03:51:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:51:15,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2023-11-29 03:51:15,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:15,126 INFO L225 Difference]: With dead ends: 245 [2023-11-29 03:51:15,126 INFO L226 Difference]: Without dead ends: 138 [2023-11-29 03:51:15,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:51:15,127 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 48 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:15,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 480 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:51:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-29 03:51:15,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 110. [2023-11-29 03:51:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:51:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2023-11-29 03:51:15,139 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 145 [2023-11-29 03:51:15,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:15,140 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2023-11-29 03:51:15,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2023-11-29 03:51:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 03:51:15,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:15,143 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:15,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:51:15,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:15,344 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:15,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:15,345 INFO L85 PathProgramCache]: Analyzing trace with hash -910588709, now seen corresponding path program 1 times [2023-11-29 03:51:15,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:15,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304788974] [2023-11-29 03:51:15,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:15,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:15,385 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:15,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21882283] [2023-11-29 03:51:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:15,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:15,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:15,387 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:15,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:51:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:15,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:51:15,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:15,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:15,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:15,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304788974] [2023-11-29 03:51:15,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:15,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21882283] [2023-11-29 03:51:15,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21882283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:15,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:15,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:51:15,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88251916] [2023-11-29 03:51:15,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:15,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:51:15,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:15,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:51:15,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:51:15,641 INFO L87 Difference]: Start difference. First operand 110 states and 161 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:15,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:15,718 INFO L93 Difference]: Finished difference Result 278 states and 405 transitions. [2023-11-29 03:51:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:51:15,719 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2023-11-29 03:51:15,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:15,721 INFO L225 Difference]: With dead ends: 278 [2023-11-29 03:51:15,721 INFO L226 Difference]: Without dead ends: 169 [2023-11-29 03:51:15,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:51:15,722 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 84 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:15,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 628 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:51:15,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-29 03:51:15,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 111. [2023-11-29 03:51:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:51:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2023-11-29 03:51:15,733 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 148 [2023-11-29 03:51:15,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:15,733 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2023-11-29 03:51:15,734 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2023-11-29 03:51:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 03:51:15,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:15,736 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:15,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 03:51:15,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 03:51:15,940 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:15,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:15,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1870481134, now seen corresponding path program 1 times [2023-11-29 03:51:15,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407172477] [2023-11-29 03:51:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:15,982 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:15,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627134679] [2023-11-29 03:51:15,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:15,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:15,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:15,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:15,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:51:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:16,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 03:51:16,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:16,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:16,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1526 treesize of output 598 [2023-11-29 03:51:19,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:19,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 643 treesize of output 255 [2023-11-29 03:51:20,401 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:20,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 660 treesize of output 222 [2023-11-29 03:51:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:25,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:25,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:25,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407172477] [2023-11-29 03:51:25,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:25,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627134679] [2023-11-29 03:51:25,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627134679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:25,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:25,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:51:25,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304340298] [2023-11-29 03:51:25,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:25,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:51:25,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:25,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:51:25,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:51:25,031 INFO L87 Difference]: Start difference. First operand 111 states and 162 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:33,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:33,976 INFO L93 Difference]: Finished difference Result 334 states and 479 transitions. [2023-11-29 03:51:33,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:51:33,977 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2023-11-29 03:51:33,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:33,979 INFO L225 Difference]: With dead ends: 334 [2023-11-29 03:51:33,980 INFO L226 Difference]: Without dead ends: 224 [2023-11-29 03:51:33,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:51:33,981 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 216 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:33,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 703 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-29 03:51:33,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-29 03:51:33,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 172. [2023-11-29 03:51:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 146 states have (on average 1.3835616438356164) internal successors, (202), 147 states have internal predecessors, (202), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 03:51:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 248 transitions. [2023-11-29 03:51:34,000 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 248 transitions. Word has length 148 [2023-11-29 03:51:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:34,001 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 248 transitions. [2023-11-29 03:51:34,001 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 248 transitions. [2023-11-29 03:51:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 03:51:34,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:34,003 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:34,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:51:34,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:34,204 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:34,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:34,204 INFO L85 PathProgramCache]: Analyzing trace with hash 590617456, now seen corresponding path program 1 times [2023-11-29 03:51:34,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:34,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125567811] [2023-11-29 03:51:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:34,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:34,245 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:34,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310054151] [2023-11-29 03:51:34,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:34,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:34,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:34,247 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:34,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:51:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:34,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:51:34,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:34,507 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 19 treesize of output 19 [2023-11-29 03:51:34,523 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:34,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 35 treesize of output 22 [2023-11-29 03:51:34,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:34,563 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 64 treesize of output 28 [2023-11-29 03:51:34,583 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:34,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:34,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:34,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125567811] [2023-11-29 03:51:34,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:34,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310054151] [2023-11-29 03:51:34,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310054151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:34,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:34,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:51:34,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280792030] [2023-11-29 03:51:34,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:34,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:51:34,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:34,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:51:34,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:51:34,585 INFO L87 Difference]: Start difference. First operand 172 states and 248 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:35,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:35,278 INFO L93 Difference]: Finished difference Result 582 states and 825 transitions. [2023-11-29 03:51:35,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:51:35,279 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2023-11-29 03:51:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:35,284 INFO L225 Difference]: With dead ends: 582 [2023-11-29 03:51:35,284 INFO L226 Difference]: Without dead ends: 411 [2023-11-29 03:51:35,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:51:35,285 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 319 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:35,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 945 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:51:35,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-29 03:51:35,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 253. [2023-11-29 03:51:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 214 states have (on average 1.3598130841121496) internal successors, (291), 216 states have internal predecessors, (291), 35 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 03:51:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 361 transitions. [2023-11-29 03:51:35,309 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 361 transitions. Word has length 148 [2023-11-29 03:51:35,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:35,310 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 361 transitions. [2023-11-29 03:51:35,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 361 transitions. [2023-11-29 03:51:35,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 03:51:35,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:35,312 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:35,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 03:51:35,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:35,516 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:35,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2004494640, now seen corresponding path program 1 times [2023-11-29 03:51:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:35,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129354444] [2023-11-29 03:51:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:35,544 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:35,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031088042] [2023-11-29 03:51:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:35,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:35,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:35,546 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:35,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:51:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:36,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-29 03:51:36,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:36,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:36,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 03:51:36,624 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 31 treesize of output 15 [2023-11-29 03:51:36,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:36,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 29 [2023-11-29 03:51:36,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:36,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 29 [2023-11-29 03:51:36,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:36,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 29 [2023-11-29 03:51:36,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:36,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 47 [2023-11-29 03:51:36,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:36,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 65 [2023-11-29 03:51:37,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:37,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 84 treesize of output 68 [2023-11-29 03:51:37,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:37,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 133 treesize of output 55 [2023-11-29 03:51:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 412 proven. 36 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-29 03:51:37,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:51:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:37,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:37,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129354444] [2023-11-29 03:51:37,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:37,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031088042] [2023-11-29 03:51:37,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031088042] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:51:37,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:51:37,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 21 [2023-11-29 03:51:37,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163912524] [2023-11-29 03:51:37,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:37,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:51:37,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:37,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:51:37,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:51:37,436 INFO L87 Difference]: Start difference. First operand 253 states and 361 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:37,978 INFO L93 Difference]: Finished difference Result 605 states and 856 transitions. [2023-11-29 03:51:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:51:37,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2023-11-29 03:51:37,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:37,982 INFO L225 Difference]: With dead ends: 605 [2023-11-29 03:51:37,982 INFO L226 Difference]: Without dead ends: 353 [2023-11-29 03:51:37,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2023-11-29 03:51:37,984 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 249 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:37,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 915 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:51:37,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2023-11-29 03:51:38,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 280. [2023-11-29 03:51:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 230 states have (on average 1.3347826086956522) internal successors, (307), 233 states have internal predecessors, (307), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 03:51:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 397 transitions. [2023-11-29 03:51:38,009 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 397 transitions. Word has length 148 [2023-11-29 03:51:38,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:38,010 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 397 transitions. [2023-11-29 03:51:38,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 397 transitions. [2023-11-29 03:51:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 03:51:38,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:38,012 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:38,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 03:51:38,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:38,212 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:38,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:38,213 INFO L85 PathProgramCache]: Analyzing trace with hash 724630962, now seen corresponding path program 1 times [2023-11-29 03:51:38,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:38,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480260720] [2023-11-29 03:51:38,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:38,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:38,244 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:38,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580547682] [2023-11-29 03:51:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:38,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:38,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:51:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:38,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 03:51:38,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:38,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:38,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1442 treesize of output 544 [2023-11-29 03:51:40,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:40,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 675 treesize of output 245 [2023-11-29 03:51:42,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:42,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 692 treesize of output 230 [2023-11-29 03:51:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:46,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:46,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:46,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480260720] [2023-11-29 03:51:46,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:46,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580547682] [2023-11-29 03:51:46,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580547682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:46,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:46,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:51:46,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107255189] [2023-11-29 03:51:46,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:46,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:51:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:51:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:51:46,466 INFO L87 Difference]: Start difference. First operand 280 states and 397 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:54,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:54,224 INFO L93 Difference]: Finished difference Result 658 states and 922 transitions. [2023-11-29 03:51:54,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:51:54,225 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2023-11-29 03:51:54,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:54,228 INFO L225 Difference]: With dead ends: 658 [2023-11-29 03:51:54,228 INFO L226 Difference]: Without dead ends: 399 [2023-11-29 03:51:54,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:51:54,230 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 176 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:54,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 849 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 03:51:54,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2023-11-29 03:51:54,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 347. [2023-11-29 03:51:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 291 states have (on average 1.3367697594501717) internal successors, (389), 295 states have internal predecessors, (389), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-29 03:51:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 487 transitions. [2023-11-29 03:51:54,262 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 487 transitions. Word has length 148 [2023-11-29 03:51:54,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:54,262 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 487 transitions. [2023-11-29 03:51:54,262 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 487 transitions. [2023-11-29 03:51:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 03:51:54,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:54,264 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:54,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 03:51:54,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 03:51:54,465 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:54,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:54,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1571173956, now seen corresponding path program 1 times [2023-11-29 03:51:54,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:54,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313410796] [2023-11-29 03:51:54,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:54,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:54,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:54,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746252357] [2023-11-29 03:51:54,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:54,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:54,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:54,498 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:54,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:51:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:54,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:51:54,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:54,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:54,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 44 [2023-11-29 03:51:54,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:54,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 47 [2023-11-29 03:51:54,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:54,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 17 [2023-11-29 03:51:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:54,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:54,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:54,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313410796] [2023-11-29 03:51:54,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:54,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746252357] [2023-11-29 03:51:54,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746252357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:54,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:51:54,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004451451] [2023-11-29 03:51:54,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:54,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:51:54,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:54,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:51:54,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:51:54,810 INFO L87 Difference]: Start difference. First operand 347 states and 487 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:55,482 INFO L93 Difference]: Finished difference Result 896 states and 1242 transitions. [2023-11-29 03:51:55,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:51:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2023-11-29 03:51:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:55,486 INFO L225 Difference]: With dead ends: 896 [2023-11-29 03:51:55,486 INFO L226 Difference]: Without dead ends: 574 [2023-11-29 03:51:55,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:51:55,487 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 299 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:55,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1024 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:51:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-11-29 03:51:55,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 404. [2023-11-29 03:51:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 322 states have (on average 1.295031055900621) internal successors, (417), 326 states have internal predecessors, (417), 72 states have call successors, (72), 9 states have call predecessors, (72), 9 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 03:51:55,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 561 transitions. [2023-11-29 03:51:55,536 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 561 transitions. Word has length 149 [2023-11-29 03:51:55,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:55,536 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 561 transitions. [2023-11-29 03:51:55,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 561 transitions. [2023-11-29 03:51:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 03:51:55,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:55,538 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:55,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 03:51:55,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 03:51:55,739 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:55,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash 927495196, now seen corresponding path program 1 times [2023-11-29 03:51:55,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:55,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578952814] [2023-11-29 03:51:55,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:55,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:55,768 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:55,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749160707] [2023-11-29 03:51:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:55,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:55,770 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:55,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 03:51:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:55,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 03:51:55,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:56,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:56,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 03:51:56,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:56,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 47 [2023-11-29 03:51:56,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:56,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 14 [2023-11-29 03:51:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:56,084 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:56,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:56,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578952814] [2023-11-29 03:51:56,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:56,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749160707] [2023-11-29 03:51:56,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749160707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:56,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:56,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:51:56,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24668532] [2023-11-29 03:51:56,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:56,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:51:56,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:56,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:51:56,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:51:56,086 INFO L87 Difference]: Start difference. First operand 404 states and 561 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:56,856 INFO L93 Difference]: Finished difference Result 1021 states and 1418 transitions. [2023-11-29 03:51:56,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:51:56,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2023-11-29 03:51:56,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:56,860 INFO L225 Difference]: With dead ends: 1021 [2023-11-29 03:51:56,860 INFO L226 Difference]: Without dead ends: 642 [2023-11-29 03:51:56,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:51:56,862 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 329 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:56,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 919 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:51:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2023-11-29 03:51:56,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 557. [2023-11-29 03:51:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 451 states have (on average 1.2971175166297118) internal successors, (585), 457 states have internal predecessors, (585), 94 states have call successors, (94), 11 states have call predecessors, (94), 11 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-29 03:51:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 773 transitions. [2023-11-29 03:51:56,901 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 773 transitions. Word has length 149 [2023-11-29 03:51:56,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:56,901 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 773 transitions. [2023-11-29 03:51:56,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 773 transitions. [2023-11-29 03:51:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 03:51:56,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:56,903 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:56,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 03:51:57,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 03:51:57,104 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:57,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:57,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1068043806, now seen corresponding path program 1 times [2023-11-29 03:51:57,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:57,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68188761] [2023-11-29 03:51:57,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:57,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:57,135 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:57,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530028056] [2023-11-29 03:51:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:57,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:57,136 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:57,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 03:51:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:57,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 03:51:57,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:57,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:57,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 45 [2023-11-29 03:51:57,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:57,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 48 [2023-11-29 03:51:57,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:51:57,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 18 [2023-11-29 03:51:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:57,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:57,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:57,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68188761] [2023-11-29 03:51:57,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:57,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530028056] [2023-11-29 03:51:57,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530028056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:57,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:57,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:51:57,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191020183] [2023-11-29 03:51:57,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:57,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:51:57,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:57,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:51:57,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:51:57,503 INFO L87 Difference]: Start difference. First operand 557 states and 773 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:58,311 INFO L93 Difference]: Finished difference Result 1223 states and 1693 transitions. [2023-11-29 03:51:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:51:58,312 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2023-11-29 03:51:58,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:58,316 INFO L225 Difference]: With dead ends: 1223 [2023-11-29 03:51:58,316 INFO L226 Difference]: Without dead ends: 691 [2023-11-29 03:51:58,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:51:58,319 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 332 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:58,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 595 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:51:58,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2023-11-29 03:51:58,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 557. [2023-11-29 03:51:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 451 states have (on average 1.2926829268292683) internal successors, (583), 457 states have internal predecessors, (583), 94 states have call successors, (94), 11 states have call predecessors, (94), 11 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-29 03:51:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 771 transitions. [2023-11-29 03:51:58,403 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 771 transitions. Word has length 149 [2023-11-29 03:51:58,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:58,403 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 771 transitions. [2023-11-29 03:51:58,403 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 771 transitions. [2023-11-29 03:51:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 03:51:58,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:58,405 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:58,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 03:51:58,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 03:51:58,608 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:58,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:58,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2141402003, now seen corresponding path program 1 times [2023-11-29 03:51:58,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:58,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273558784] [2023-11-29 03:51:58,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:58,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:58,638 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:58,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785747423] [2023-11-29 03:51:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:58,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:58,639 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:58,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 03:51:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:58,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:51:58,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:51:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:51:58,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:51:58,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:51:58,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273558784] [2023-11-29 03:51:58,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:51:58,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785747423] [2023-11-29 03:51:58,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785747423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:51:58,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:51:58,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:51:58,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596980099] [2023-11-29 03:51:58,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:51:58,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:51:58,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:51:58,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:51:58,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:51:58,865 INFO L87 Difference]: Start difference. First operand 557 states and 771 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:51:58,980 INFO L93 Difference]: Finished difference Result 1659 states and 2258 transitions. [2023-11-29 03:51:58,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:51:58,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2023-11-29 03:51:58,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:51:58,988 INFO L225 Difference]: With dead ends: 1659 [2023-11-29 03:51:58,988 INFO L226 Difference]: Without dead ends: 1127 [2023-11-29 03:51:58,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:51:58,990 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 121 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:51:58,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 858 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:51:58,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2023-11-29 03:51:59,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 563. [2023-11-29 03:51:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 457 states have (on average 1.288840262582057) internal successors, (589), 463 states have internal predecessors, (589), 94 states have call successors, (94), 11 states have call predecessors, (94), 11 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-29 03:51:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 777 transitions. [2023-11-29 03:51:59,051 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 777 transitions. Word has length 150 [2023-11-29 03:51:59,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:51:59,052 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 777 transitions. [2023-11-29 03:51:59,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:51:59,052 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 777 transitions. [2023-11-29 03:51:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 03:51:59,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:51:59,054 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:51:59,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 03:51:59,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:59,255 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:51:59,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:51:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1891586346, now seen corresponding path program 1 times [2023-11-29 03:51:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:51:59,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567055092] [2023-11-29 03:51:59,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:51:59,281 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:51:59,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413360763] [2023-11-29 03:51:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:51:59,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:51:59,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:51:59,283 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:51:59,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 03:51:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:51:59,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 03:51:59,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:00,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:52:00,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3134 treesize of output 1417 [2023-11-29 03:52:10,645 WARN L293 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 18 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:52:15,675 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:53:06,200 WARN L293 SmtUtils]: Spent 33.83s on a formula simplification. DAG size of input: 93 DAG size of output: 47 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:53:06,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:53:06,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 123 [2023-11-29 03:53:06,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:53:06,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 78 [2023-11-29 03:53:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:53:08,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:53:08,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:53:08,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567055092] [2023-11-29 03:53:08,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:53:08,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413360763] [2023-11-29 03:53:08,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413360763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:53:08,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:53:08,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:53:08,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079986413] [2023-11-29 03:53:08,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:53:08,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:53:08,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:53:08,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:53:08,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:53:08,148 INFO L87 Difference]: Start difference. First operand 563 states and 777 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:53:10,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:53:10,545 INFO L93 Difference]: Finished difference Result 1128 states and 1553 transitions. [2023-11-29 03:53:10,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:53:10,546 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2023-11-29 03:53:10,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:53:10,550 INFO L225 Difference]: With dead ends: 1128 [2023-11-29 03:53:10,550 INFO L226 Difference]: Without dead ends: 590 [2023-11-29 03:53:10,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 34.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:53:10,552 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 129 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:53:10,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 909 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 03:53:10,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2023-11-29 03:53:10,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 504. [2023-11-29 03:53:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 411 states have (on average 1.294403892944039) internal successors, (532), 416 states have internal predecessors, (532), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 77 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 03:53:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 696 transitions. [2023-11-29 03:53:10,588 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 696 transitions. Word has length 150 [2023-11-29 03:53:10,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:53:10,588 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 696 transitions. [2023-11-29 03:53:10,589 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:53:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 696 transitions. [2023-11-29 03:53:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 03:53:10,590 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:53:10,590 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:53:10,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 03:53:10,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 03:53:10,791 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:53:10,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:53:10,791 INFO L85 PathProgramCache]: Analyzing trace with hash 982968662, now seen corresponding path program 1 times [2023-11-29 03:53:10,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:53:10,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556957709] [2023-11-29 03:53:10,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:53:10,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:53:10,824 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:53:10,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551163128] [2023-11-29 03:53:10,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:53:10,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:53:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:53:10,825 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:53:10,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 03:53:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:53:11,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 03:53:11,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:53:12,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:53:12,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2541 treesize of output 1166 [2023-11-29 03:53:25,906 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:53:58,952 WARN L293 SmtUtils]: Spent 14.59s on a formula simplification. DAG size of input: 84 DAG size of output: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:53:59,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:53:59,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 207 treesize of output 104 [2023-11-29 03:53:59,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:53:59,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 215 treesize of output 77 [2023-11-29 03:54:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:54:00,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:54:00,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:54:00,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556957709] [2023-11-29 03:54:00,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:54:00,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551163128] [2023-11-29 03:54:00,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551163128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:54:00,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:54:00,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:54:00,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857902408] [2023-11-29 03:54:00,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:54:00,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:54:00,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:54:00,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:54:00,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:54:00,700 INFO L87 Difference]: Start difference. First operand 504 states and 696 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:01,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:54:01,944 INFO L93 Difference]: Finished difference Result 1010 states and 1391 transitions. [2023-11-29 03:54:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:54:01,945 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2023-11-29 03:54:01,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:54:01,948 INFO L225 Difference]: With dead ends: 1010 [2023-11-29 03:54:01,948 INFO L226 Difference]: Without dead ends: 531 [2023-11-29 03:54:01,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 138 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:54:01,949 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 129 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:54:01,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 916 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:54:01,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2023-11-29 03:54:01,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 449. [2023-11-29 03:54:01,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 367 states have (on average 1.2997275204359673) internal successors, (477), 371 states have internal predecessors, (477), 72 states have call successors, (72), 9 states have call predecessors, (72), 9 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 03:54:01,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 621 transitions. [2023-11-29 03:54:01,999 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 621 transitions. Word has length 150 [2023-11-29 03:54:01,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:54:01,999 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 621 transitions. [2023-11-29 03:54:01,999 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 621 transitions. [2023-11-29 03:54:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 03:54:02,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:54:02,001 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:02,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 03:54:02,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 03:54:02,202 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:54:02,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:54:02,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1829546732, now seen corresponding path program 1 times [2023-11-29 03:54:02,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:54:02,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470338534] [2023-11-29 03:54:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:02,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:54:02,229 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:54:02,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767984833] [2023-11-29 03:54:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:02,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:54:02,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:54:02,231 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:54:02,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 03:54:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:54:02,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 03:54:02,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:54:02,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:02,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 32 [2023-11-29 03:54:02,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:02,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 35 [2023-11-29 03:54:02,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:02,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 11 [2023-11-29 03:54:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:54:02,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:54:02,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:54:02,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470338534] [2023-11-29 03:54:02,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:54:02,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767984833] [2023-11-29 03:54:02,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767984833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:54:02,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:54:02,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:54:02,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158642560] [2023-11-29 03:54:02,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:54:02,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:54:02,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:54:02,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:54:02,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:54:02,521 INFO L87 Difference]: Start difference. First operand 449 states and 621 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:03,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:54:03,169 INFO L93 Difference]: Finished difference Result 1170 states and 1612 transitions. [2023-11-29 03:54:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:54:03,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2023-11-29 03:54:03,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:54:03,173 INFO L225 Difference]: With dead ends: 1170 [2023-11-29 03:54:03,173 INFO L226 Difference]: Without dead ends: 746 [2023-11-29 03:54:03,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:54:03,174 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 341 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:54:03,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 421 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:54:03,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2023-11-29 03:54:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 646. [2023-11-29 03:54:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 528 states have (on average 1.293560606060606) internal successors, (683), 533 states have internal predecessors, (683), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 98 states have call predecessors, (103), 103 states have call successors, (103) [2023-11-29 03:54:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 889 transitions. [2023-11-29 03:54:03,250 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 889 transitions. Word has length 150 [2023-11-29 03:54:03,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:54:03,251 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 889 transitions. [2023-11-29 03:54:03,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:03,251 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 889 transitions. [2023-11-29 03:54:03,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 03:54:03,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:54:03,253 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:03,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 03:54:03,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 03:54:03,454 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:54:03,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:54:03,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1444352210, now seen corresponding path program 1 times [2023-11-29 03:54:03,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:54:03,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546828942] [2023-11-29 03:54:03,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:03,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:54:03,483 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:54:03,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668820277] [2023-11-29 03:54:03,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:03,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:54:03,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:54:03,484 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:54:03,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 03:54:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:54:04,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:54:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:54:05,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:54:05,147 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:54:05,148 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:54:05,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 03:54:05,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 03:54:05,359 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:05,362 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:54:05,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-29 03:54:05,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-29 03:54:05,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 03:54:05,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 03:54:05,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 03:54:05,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 03:54:05,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-29 03:54:05,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 03:54:05,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 03:54:05,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 03:54:05,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 03:54:05,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 03:54:05,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-29 03:54:05,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 03:54:05,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 03:54:05,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 03:54:05,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 03:54:05,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 03:54:05,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 03:54:05,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 03:54:05,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 03:54:05,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 03:54:05,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 03:54:05,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 03:54:05,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 03:54:05,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 03:54:05,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 03:54:05,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 03:54:05,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 03:54:05,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated [2023-11-29 03:54:05,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2023-11-29 03:54:05,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-29 03:54:05,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-29 03:54:05,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-29 03:54:05,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 03:54:05,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-29 03:54:05,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-29 03:54:05,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite32 could not be translated [2023-11-29 03:54:05,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:54:05,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:54:05,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 03:54:05,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-29 03:54:05,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-29 03:54:05,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 03:54:05,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:54:05,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-29 03:54:05,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated [2023-11-29 03:54:05,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 03:54:05,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 03:54:05,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 03:54:05,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-29 03:54:05,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated [2023-11-29 03:54:05,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:54:05 BoogieIcfgContainer [2023-11-29 03:54:05,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:54:05,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:54:05,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:54:05,452 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:54:05,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:11" (3/4) ... [2023-11-29 03:54:05,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:54:05,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:54:05,456 INFO L158 Benchmark]: Toolchain (without parser) took 174596.88ms. Allocated memory was 161.5MB in the beginning and 509.6MB in the end (delta: 348.1MB). Free memory was 129.1MB in the beginning and 338.6MB in the end (delta: -209.5MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. [2023-11-29 03:54:05,456 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:54:05,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.28ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 113.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 03:54:05,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.13ms. Allocated memory is still 161.5MB. Free memory was 113.0MB in the beginning and 108.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:54:05,457 INFO L158 Benchmark]: Boogie Preprocessor took 73.38ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 104.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:54:05,457 INFO L158 Benchmark]: RCFGBuilder took 633.02ms. Allocated memory is still 161.5MB. Free memory was 104.7MB in the beginning and 72.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 03:54:05,458 INFO L158 Benchmark]: TraceAbstraction took 173511.52ms. Allocated memory was 161.5MB in the beginning and 509.6MB in the end (delta: 348.1MB). Free memory was 72.1MB in the beginning and 339.6MB in the end (delta: -267.5MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2023-11-29 03:54:05,458 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 509.6MB. Free memory is still 338.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:54:05,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.28ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 113.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.13ms. Allocated memory is still 161.5MB. Free memory was 113.0MB in the beginning and 108.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.38ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 104.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 633.02ms. Allocated memory is still 161.5MB. Free memory was 104.7MB in the beginning and 72.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 173511.52ms. Allocated memory was 161.5MB in the beginning and 509.6MB in the end (delta: 348.1MB). Free memory was 72.1MB in the beginning and 339.6MB in the end (delta: -267.5MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 509.6MB. Free memory is still 338.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 83, overapproximation of bitwiseOr at line 121, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L59] double last_1_WrapperStruct00_var_1_13 = 8.4; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L118] EXPR WrapperStruct00.var_1_13 [L118] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L88] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L91] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L94] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L95] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L98] WrapperStruct00.var_1_9 = __VERIFIER_nondet_long() [L99] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L108] WrapperStruct00.var_1_15 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] EXPR WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] EXPR (WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] EXPR (WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L110] WrapperStruct00.var_1_17 = __VERIFIER_nondet_char() [L111] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L113] WrapperStruct00.var_1_18 = __VERIFIER_nondet_char() [L114] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L129] RET updateVariables() [L130] CALL step() [L63] WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L63] COND FALSE !(WrapperStruct00.var_1_3) [L66] EXPR WrapperStruct00.var_1_15 [L66] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_15 [L67] EXPR WrapperStruct00.var_1_16 [L67] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_16 [L68] EXPR WrapperStruct00.var_1_18 [L68] WrapperStruct00.var_1_21 = WrapperStruct00.var_1_18 [L69] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L69] COND FALSE !(WrapperStruct00.var_1_2) [L78] EXPR WrapperStruct00.var_1_16 [L78] EXPR WrapperStruct00.var_1_8 [L78] EXPR WrapperStruct00.var_1_9 [L78] EXPR WrapperStruct00.var_1_21 [L78] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L78] EXPR WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L78] COND FALSE !(((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) [L81] EXPR WrapperStruct00.var_1_12 [L81] WrapperStruct00.var_1_7 = WrapperStruct00.var_1_12 [L83] EXPR WrapperStruct00.var_1_19 [L83] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L83] EXPR ((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19) [L83] EXPR ((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L83] COND TRUE WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19))) [L84] EXPR WrapperStruct00.var_1_15 [L84] WrapperStruct00.var_1_13 = (WrapperStruct00.var_1_15 + (127.4 - 8.25)) [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1 [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))) [L121] EXPR WrapperStruct00.var_1_16 [L121] EXPR WrapperStruct00.var_1_8 [L121] EXPR WrapperStruct00.var_1_9 [L121] EXPR WrapperStruct00.var_1_21 [L121] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)) [L121] EXPR WrapperStruct00.var_1_7 [L121] EXPR WrapperStruct00.var_1_11 [L121] EXPR WrapperStruct00.var_1_12 [L121] EXPR (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121-L122] return ((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 173.4s, OverallIterations: 18, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2808 SdHoareTripleChecker+Valid, 16.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2808 mSDsluCounter, 11621 SdHoareTripleChecker+Invalid, 15.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8641 mSDsCounter, 138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4779 IncrementalHoareTripleChecker+Invalid, 4917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 138 mSolverCounterUnsat, 2980 mSDtfsCounter, 4779 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2692 GetRequests, 2558 SyntacticMatches, 6 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 60.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=646occurred in iteration=17, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 1660 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 136.7s InterpolantComputationTime, 2807 NumberOfCodeBlocks, 2807 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2642 ConstructedInterpolants, 0 QuantifiedInterpolants, 19205 SizeOfPredicates, 101 NumberOfNonLiveVariables, 8107 ConjunctsInSsa, 268 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 12276/12312 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 [2023-11-29 03:54:05,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya --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 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:54:07,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:54:07,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:54:07,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:54:07,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:54:07,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:54:07,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:54:07,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:54:07,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:54:07,489 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:54:07,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:54:07,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:54:07,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:54:07,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:54:07,493 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:54:07,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:54:07,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:54:07,494 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:54:07,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:54:07,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:54:07,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:54:07,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:54:07,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:54:07,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:54:07,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:54:07,497 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:54:07,498 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:54:07,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:54:07,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:54:07,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:54:07,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:54:07,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:54:07,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:54:07,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:54:07,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:54:07,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:54:07,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:54:07,502 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:54:07,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:54:07,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:54:07,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:54:07,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:54:07,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:54:07,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:54:07,503 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:54:07,503 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_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f [2023-11-29 03:54:07,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:54:07,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:54:07,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:54:07,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:54:07,810 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:54:07,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-29 03:54:10,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:54:10,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:54:10,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-29 03:54:10,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data/be9dd6c4e/f4fd61c464794c699eb41c7b244cc929/FLAG71930f679 [2023-11-29 03:54:10,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/data/be9dd6c4e/f4fd61c464794c699eb41c7b244cc929 [2023-11-29 03:54:10,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:54:10,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:54:10,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:54:10,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:54:10,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:54:10,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:54:10" (1/1) ... [2023-11-29 03:54:10,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c90f08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:10, skipping insertion in model container [2023-11-29 03:54:10,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:54:10" (1/1) ... [2023-11-29 03:54:10,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:54:10,976 WARN L240 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_bfeb6737-1d65-41b0-ae9f-73517ddeb243/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-29 03:54:11,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:54:11,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:54:11,058 WARN L240 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_bfeb6737-1d65-41b0-ae9f-73517ddeb243/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-29 03:54:11,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:54:11,123 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:54:11,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11 WrapperNode [2023-11-29 03:54:11,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:54:11,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:54:11,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:54:11,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:54:11,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,221 INFO L138 Inliner]: procedures = 39, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2023-11-29 03:54:11,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:54:11,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:54:11,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:54:11,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:54:11,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,242 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,268 INFO L175 MemorySlicer]: Split 120 memory accesses to 2 slices as follows [2, 118]. 98 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 16]. The 17 writes are split as follows [0, 17]. [2023-11-29 03:54:11,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:54:11,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:54:11,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:54:11,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:54:11,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (1/1) ... [2023-11-29 03:54:11,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:54:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:54:11,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:54:11,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:54:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:54:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 03:54:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 03:54:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 03:54:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 03:54:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 03:54:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 03:54:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 03:54:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 03:54:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:54:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 03:54:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 03:54:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 03:54:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 03:54:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 03:54:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 03:54:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 03:54:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 03:54:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 03:54:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 03:54:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 03:54:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 03:54:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 03:54:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 03:54:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 03:54:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:54:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:54:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:54:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:54:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 03:54:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 03:54:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 03:54:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 03:54:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 03:54:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 03:54:11,501 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:54:11,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:54:14,835 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:54:14,878 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:54:14,878 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:54:14,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:54:14 BoogieIcfgContainer [2023-11-29 03:54:14,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:54:14,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:54:14,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:54:14,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:54:14,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:54:10" (1/3) ... [2023-11-29 03:54:14,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e977a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:54:14, skipping insertion in model container [2023-11-29 03:54:14,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:54:11" (2/3) ... [2023-11-29 03:54:14,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e977a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:54:14, skipping insertion in model container [2023-11-29 03:54:14,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:54:14" (3/3) ... [2023-11-29 03:54:14,888 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-40.i [2023-11-29 03:54:14,907 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:54:14,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:54:14,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:54:14,959 INFO L357 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, mHoare=true, 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;@44041e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:54:14,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:54:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 78 states have (on average 1.435897435897436) internal successors, (112), 79 states have internal predecessors, (112), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:54:14,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 03:54:14,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:54:14,981 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:14,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:54:14,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:54:14,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1617906857, now seen corresponding path program 1 times [2023-11-29 03:54:14,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:54:14,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206748438] [2023-11-29 03:54:14,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:15,000 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 [2023-11-29 03:54:15,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:54:15,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:54:15,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:54:15,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:54:15,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:54:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-29 03:54:15,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:54:15,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:54:15,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206748438] [2023-11-29 03:54:15,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206748438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:54:15,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:54:15,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:54:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404998944] [2023-11-29 03:54:15,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:54:15,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:54:15,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:54:15,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:54:15,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:54:15,632 INFO L87 Difference]: Start difference. First operand has 100 states, 78 states have (on average 1.435897435897436) internal successors, (112), 79 states have internal predecessors, (112), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:54:15,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:54:15,682 INFO L93 Difference]: Finished difference Result 197 states and 317 transitions. [2023-11-29 03:54:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:54:15,684 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 144 [2023-11-29 03:54:15,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:54:15,692 INFO L225 Difference]: With dead ends: 197 [2023-11-29 03:54:15,692 INFO L226 Difference]: Without dead ends: 98 [2023-11-29 03:54:15,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:54:15,698 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:54:15,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:54:15,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-29 03:54:15,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-29 03:54:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:54:15,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 145 transitions. [2023-11-29 03:54:15,740 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 145 transitions. Word has length 144 [2023-11-29 03:54:15,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:54:15,740 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 145 transitions. [2023-11-29 03:54:15,741 INFO L496 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:54:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions. [2023-11-29 03:54:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 03:54:15,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:54:15,745 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:15,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 03:54:15,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:15,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:54:15,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:54:15,947 INFO L85 PathProgramCache]: Analyzing trace with hash 596428613, now seen corresponding path program 1 times [2023-11-29 03:54:15,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:54:15,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870675974] [2023-11-29 03:54:15,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:15,949 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 [2023-11-29 03:54:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:54:15,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:54:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:54:16,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:54:16,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:54:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:54:16,526 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:54:16,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:54:16,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870675974] [2023-11-29 03:54:16,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870675974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:54:16,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:54:16,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:54:16,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789199294] [2023-11-29 03:54:16,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:54:16,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:54:16,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:54:16,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:54:16,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:54:16,531 INFO L87 Difference]: Start difference. First operand 98 states and 145 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:16,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:54:16,642 INFO L93 Difference]: Finished difference Result 217 states and 322 transitions. [2023-11-29 03:54:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:54:16,643 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2023-11-29 03:54:16,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:54:16,647 INFO L225 Difference]: With dead ends: 217 [2023-11-29 03:54:16,647 INFO L226 Difference]: Without dead ends: 120 [2023-11-29 03:54:16,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:54:16,650 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 36 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 409 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 [2023-11-29 03:54:16,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 409 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:54:16,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-29 03:54:16,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 100. [2023-11-29 03:54:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:54:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2023-11-29 03:54:16,666 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 144 [2023-11-29 03:54:16,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:54:16,668 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2023-11-29 03:54:16,668 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2023-11-29 03:54:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 03:54:16,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:54:16,672 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:16,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:16,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:16,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:54:16,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:54:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1559578582, now seen corresponding path program 1 times [2023-11-29 03:54:16,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:54:16,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421674736] [2023-11-29 03:54:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:16,878 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 [2023-11-29 03:54:16,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:54:16,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:54:16,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:54:17,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:54:17,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:54:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:54:17,443 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:54:17,443 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:54:17,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421674736] [2023-11-29 03:54:17,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421674736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:54:17,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:54:17,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:54:17,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077310541] [2023-11-29 03:54:17,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:54:17,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:54:17,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:54:17,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:54:17,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:54:17,446 INFO L87 Difference]: Start difference. First operand 100 states and 147 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:17,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:54:17,726 INFO L93 Difference]: Finished difference Result 220 states and 323 transitions. [2023-11-29 03:54:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:54:17,727 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2023-11-29 03:54:17,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:54:17,730 INFO L225 Difference]: With dead ends: 220 [2023-11-29 03:54:17,730 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 03:54:17,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:54:17,733 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 46 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:54:17,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 542 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:54:17,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 03:54:17,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 104. [2023-11-29 03:54:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:54:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2023-11-29 03:54:17,746 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 146 [2023-11-29 03:54:17,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:54:17,747 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2023-11-29 03:54:17,747 INFO L496 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-29 03:54:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 03:54:17,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:54:17,750 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:17,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 03:54:17,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:17,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:54:17,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:54:17,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1926042088, now seen corresponding path program 1 times [2023-11-29 03:54:17,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:54:17,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048148213] [2023-11-29 03:54:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:17,958 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 [2023-11-29 03:54:17,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:54:17,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:54:17,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:54:18,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:54:18,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:54:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:54:18,516 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:54:18,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:54:18,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048148213] [2023-11-29 03:54:18,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048148213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:54:18,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:54:18,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:54:18,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005349347] [2023-11-29 03:54:18,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:54:18,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:54:18,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:54:18,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:54:18,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:54:18,520 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:18,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:54:18,835 INFO L93 Difference]: Finished difference Result 227 states and 328 transitions. [2023-11-29 03:54:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:54:18,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2023-11-29 03:54:18,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:54:18,838 INFO L225 Difference]: With dead ends: 227 [2023-11-29 03:54:18,838 INFO L226 Difference]: Without dead ends: 124 [2023-11-29 03:54:18,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:54:18,840 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 49 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:54:18,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 671 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:54:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-29 03:54:18,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2023-11-29 03:54:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:54:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 153 transitions. [2023-11-29 03:54:18,852 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 153 transitions. Word has length 146 [2023-11-29 03:54:18,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:54:18,853 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 153 transitions. [2023-11-29 03:54:18,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:54:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2023-11-29 03:54:18,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 03:54:18,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:54:18,856 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:54:18,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 03:54:19,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:19,061 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:54:19,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:54:19,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1983300390, now seen corresponding path program 1 times [2023-11-29 03:54:19,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:54:19,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601800005] [2023-11-29 03:54:19,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:54:19,062 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 [2023-11-29 03:54:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:54:19,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:54:19,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:54:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:54:19,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:54:19,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:54:19,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:20,000 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 62 treesize of output 20 [2023-11-29 03:54:21,571 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 30 treesize of output 1 [2023-11-29 03:54:22,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:22,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 127 treesize of output 69 [2023-11-29 03:54:23,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:23,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 72 [2023-11-29 03:54:24,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:24,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 247 treesize of output 155 [2023-11-29 03:54:31,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:31,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 270 treesize of output 188 [2023-11-29 03:54:36,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:54:36,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 293 treesize of output 101 [2023-11-29 03:54:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2023-11-29 03:54:39,871 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:54:39,871 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:54:39,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601800005] [2023-11-29 03:54:39,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601800005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:54:39,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:54:39,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:54:39,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813804041] [2023-11-29 03:54:39,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:54:39,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:54:39,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:54:39,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:54:39,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:54:39,874 INFO L87 Difference]: Start difference. First operand 106 states and 153 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 03:55:05,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:16,603 WARN L293 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:55:25,290 WARN L293 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:55:27,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:29,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:30,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:32,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:37,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:40,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:45,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:49,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:55:51,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:07,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:09,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:13,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:15,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:17,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:26,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:28,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:32,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:39,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:43,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:55,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:56:57,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:57:03,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:57:05,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:57:11,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:57:23,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:57:23,543 INFO L93 Difference]: Finished difference Result 641 states and 906 transitions. [2023-11-29 03:57:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:57:23,551 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 146 [2023-11-29 03:57:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:57:23,554 INFO L225 Difference]: With dead ends: 641 [2023-11-29 03:57:23,555 INFO L226 Difference]: Without dead ends: 536 [2023-11-29 03:57:23,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 37.3s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2023-11-29 03:57:23,556 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 657 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 225 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:57:23,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 884 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1266 Invalid, 3 Unknown, 0 Unchecked, 136.8s Time] [2023-11-29 03:57:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-11-29 03:57:23,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 392. [2023-11-29 03:57:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 314 states have (on average 1.3343949044585988) internal successors, (419), 316 states have internal predecessors, (419), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 69 states have call predecessors, (71), 71 states have call successors, (71) [2023-11-29 03:57:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 561 transitions. [2023-11-29 03:57:23,618 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 561 transitions. Word has length 146 [2023-11-29 03:57:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:57:23,618 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 561 transitions. [2023-11-29 03:57:23,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 03:57:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 561 transitions. [2023-11-29 03:57:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 03:57:23,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:23,622 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:23,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:57:23,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:57:23,822 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:23,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:23,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1888965080, now seen corresponding path program 1 times [2023-11-29 03:57:23,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:57:23,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152987585] [2023-11-29 03:57:23,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:23,823 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 [2023-11-29 03:57:23,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:57:23,824 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:57:23,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:57:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:24,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 03:57:24,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:25,167 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 20 treesize of output 21 [2023-11-29 03:57:26,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:57:26,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 147 treesize of output 77 [2023-11-29 03:57:26,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:57:26,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 86 [2023-11-29 03:57:27,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:57:27,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 231 treesize of output 127 [2023-11-29 03:57:32,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:57:32,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 112 treesize of output 114 [2023-11-29 03:57:38,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:57:38,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 164 treesize of output 74 [2023-11-29 03:57:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2023-11-29 03:57:57,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:57:57,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:57:57,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152987585] [2023-11-29 03:57:57,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152987585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:57,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:57,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:57:57,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519542089] [2023-11-29 03:57:57,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:57,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:57:57,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:57:57,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:57:57,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=89, Unknown=3, NotChecked=0, Total=132 [2023-11-29 03:57:57,581 INFO L87 Difference]: Start difference. First operand 392 states and 561 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 03:58:01,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:13,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:18,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:24,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:29,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:33,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:38,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:42,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:47,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:53,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:58:59,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:04,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:11,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:15,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:20,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:24,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:28,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:33,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:37,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:42,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:46,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:51,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:59:55,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:00,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:04,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:08,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:13,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:36,406 WARN L293 SmtUtils]: Spent 18.41s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:00:40,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:42,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:46,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:48,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:52,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:00:56,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:02,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:07,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:11,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:16,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:20,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:24,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:29,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:33,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:37,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:42,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:46,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:50,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:55,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:01:59,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:04,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:08,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:13,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:17,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:22,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:26,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:31,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:36,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:41,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:45,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:51,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:02:56,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:00,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:04,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:09,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:13,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:17,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:22,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:26,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:30,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:34,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:39,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:43,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:47,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:03:49,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 139 [2023-11-29 04:03:49,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 46.1s TimeCoverageRelationStatistics Valid=62, Invalid=145, Unknown=3, NotChecked=0, Total=210 [2023-11-29 04:03:49,994 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 207 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 12 mSolverCounterUnsat, 69 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 315.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 69 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 327.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:49,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 278 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 640 Invalid, 69 Unknown, 0 Unchecked, 327.4s Time] [2023-11-29 04:03:50,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:03:50,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:03:50,195 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:665) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2023-11-29 04:03:50,198 INFO L158 Benchmark]: Toolchain (without parser) took 579383.00ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 64.1MB in the beginning and 66.6MB in the end (delta: -2.6MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2023-11-29 04:03:50,198 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:03:50,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.36ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 46.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:03:50,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.97ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 64.1MB in the end (delta: -18.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:03:50,199 INFO L158 Benchmark]: Boogie Preprocessor took 88.18ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 59.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:03:50,199 INFO L158 Benchmark]: RCFGBuilder took 3568.22ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 48.1MB in the end (delta: 11.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-29 04:03:50,200 INFO L158 Benchmark]: TraceAbstraction took 575316.27ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 66.6MB in the end (delta: -19.2MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-29 04:03:50,201 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.36ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 46.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.97ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 64.1MB in the end (delta: -18.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.18ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 59.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3568.22ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 48.1MB in the end (delta: 11.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 575316.27ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 66.6MB in the end (delta: -19.2MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfeb6737-1d65-41b0-ae9f-73517ddeb243/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken