./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:35:44,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:35:44,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:35:44,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:35:44,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:35:44,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:35:44,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:35:44,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:35:44,559 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:35:44,560 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:35:44,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:35:44,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:35:44,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:35:44,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:35:44,566 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:35:44,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:35:44,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:35:44,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:35:44,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:35:44,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:35:44,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:35:44,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:35:44,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:35:44,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:35:44,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:35:44,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:35:44,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:35:44,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:35:44,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:35:44,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:35:44,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:35:44,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:35:44,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:35:44,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:35:44,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:35:44,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:35:44,581 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:35:44,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:35:44,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:35:44,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:35:44,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:35:44,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:35:44,583 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_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f [2024-11-08 17:35:44,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:35:44,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:35:44,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:35:44,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:35:44,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:35:44,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i Unable to find full path for "g++" [2024-11-08 17:35:47,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:35:47,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:35:47,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-08 17:35:47,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data/8bac9b72f/2e2a308e24d84d11bd0aaf7a47914a40/FLAG5985d0e8b [2024-11-08 17:35:47,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data/8bac9b72f/2e2a308e24d84d11bd0aaf7a47914a40 [2024-11-08 17:35:47,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:35:47,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:35:47,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:35:47,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:35:47,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:35:47,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:35:47" (1/1) ... [2024-11-08 17:35:47,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c62a580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:47, skipping insertion in model container [2024-11-08 17:35:47,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:35:47" (1/1) ... [2024-11-08 17:35:47,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:35:47,946 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-08 17:35:48,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:35:48,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:35:48,058 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-08 17:35:48,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:35:48,122 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:35:48,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48 WrapperNode [2024-11-08 17:35:48,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:35:48,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:35:48,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:35:48,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:35:48,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,212 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-11-08 17:35:48,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:35:48,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:35:48,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:35:48,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:35:48,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,262 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:35:48,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:35:48,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:35:48,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:35:48,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:35:48,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (1/1) ... [2024-11-08 17:35:48,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:35:48,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:35:48,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:35:48,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:35:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:35:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:35:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:35:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:35:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:35:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:35:48,542 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:35:48,547 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:35:48,997 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:35:48,997 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:35:49,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:35:49,015 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:35:49,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:49 BoogieIcfgContainer [2024-11-08 17:35:49,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:35:49,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:35:49,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:35:49,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:35:49,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:35:47" (1/3) ... [2024-11-08 17:35:49,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb42a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:35:49, skipping insertion in model container [2024-11-08 17:35:49,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:48" (2/3) ... [2024-11-08 17:35:49,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb42a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:35:49, skipping insertion in model container [2024-11-08 17:35:49,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:49" (3/3) ... [2024-11-08 17:35:49,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-08 17:35:49,064 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:35:49,065 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:35:49,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:35:49,149 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3760e8e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:35:49,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:35:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:35:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 17:35:49,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:35:49,172 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:49,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:35:49,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:49,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1101981810, now seen corresponding path program 1 times [2024-11-08 17:35:49,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:49,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553345605] [2024-11-08 17:35:49,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:49,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:35:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:35:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:35:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:35:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:35:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:35:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:35:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:35:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:35:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:35:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:35:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:35:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:35:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:35:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:35:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:35:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:35:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:35:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:35:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:35:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:35:49,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:35:49,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553345605] [2024-11-08 17:35:49,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553345605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:35:49,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:35:49,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:35:49,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370838125] [2024-11-08 17:35:49,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:35:49,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:35:49,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:35:49,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:35:49,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:35:49,887 INFO L87 Difference]: Start difference. First operand has 69 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:35:49,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:35:49,917 INFO L93 Difference]: Finished difference Result 131 states and 220 transitions. [2024-11-08 17:35:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:35:49,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2024-11-08 17:35:49,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:35:49,929 INFO L225 Difference]: With dead ends: 131 [2024-11-08 17:35:49,931 INFO L226 Difference]: Without dead ends: 65 [2024-11-08 17:35:49,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:35:49,942 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:35:49,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:35:49,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-08 17:35:49,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-08 17:35:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:35:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 95 transitions. [2024-11-08 17:35:49,995 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 95 transitions. Word has length 134 [2024-11-08 17:35:49,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:35:49,996 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 95 transitions. [2024-11-08 17:35:49,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:35:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2024-11-08 17:35:50,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 17:35:50,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:35:50,001 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:50,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:35:50,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:35:50,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:50,003 INFO L85 PathProgramCache]: Analyzing trace with hash 130759546, now seen corresponding path program 1 times [2024-11-08 17:35:50,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:50,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015350719] [2024-11-08 17:35:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:50,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:35:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:35:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:35:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:35:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:35:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:35:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:35:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:35:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:35:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:35:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:35:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:35:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:35:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:35:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:35:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:35:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:35:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:35:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:35:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:35:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:35:50,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:35:50,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015350719] [2024-11-08 17:35:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015350719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:35:50,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:35:50,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:35:50,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393394464] [2024-11-08 17:35:50,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:35:50,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:35:50,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:35:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:35:50,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:35:50,437 INFO L87 Difference]: Start difference. First operand 65 states and 95 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:35:50,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:35:50,499 INFO L93 Difference]: Finished difference Result 161 states and 233 transitions. [2024-11-08 17:35:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:35:50,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-08 17:35:50,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:35:50,503 INFO L225 Difference]: With dead ends: 161 [2024-11-08 17:35:50,503 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 17:35:50,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:35:50,506 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 39 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:35:50,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 213 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:35:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 17:35:50,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2024-11-08 17:35:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 68 states have internal predecessors, (86), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:35:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2024-11-08 17:35:50,533 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 134 [2024-11-08 17:35:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:35:50,534 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2024-11-08 17:35:50,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:35:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2024-11-08 17:35:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 17:35:50,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:35:50,538 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:50,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:35:50,539 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:35:50,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:50,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1149104132, now seen corresponding path program 1 times [2024-11-08 17:35:50,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:50,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607826657] [2024-11-08 17:35:50,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:50,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:35:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:35:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:35:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:35:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:35:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:35:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:35:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:35:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:35:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:35:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:35:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:35:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:35:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:35:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:35:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:35:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:35:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:35:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:35:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:35:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:35:51,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:35:51,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607826657] [2024-11-08 17:35:51,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607826657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:35:51,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:35:51,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:35:51,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982729356] [2024-11-08 17:35:51,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:35:51,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:35:51,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:35:51,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:35:51,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:35:51,652 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:35:52,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:35:52,277 INFO L93 Difference]: Finished difference Result 271 states and 393 transitions. [2024-11-08 17:35:52,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:35:52,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-08 17:35:52,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:35:52,286 INFO L225 Difference]: With dead ends: 271 [2024-11-08 17:35:52,286 INFO L226 Difference]: Without dead ends: 178 [2024-11-08 17:35:52,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:35:52,291 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 75 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:35:52,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 330 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:35:52,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-08 17:35:52,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 136. [2024-11-08 17:35:52,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 87 states have internal predecessors, (106), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 17:35:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 198 transitions. [2024-11-08 17:35:52,349 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 198 transitions. Word has length 134 [2024-11-08 17:35:52,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:35:52,354 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 198 transitions. [2024-11-08 17:35:52,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:35:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2024-11-08 17:35:52,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:35:52,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:35:52,360 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:52,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:35:52,360 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:35:52,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1438041782, now seen corresponding path program 1 times [2024-11-08 17:35:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:52,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608498858] [2024-11-08 17:35:52,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:52,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:35:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:35:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:35:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:35:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:35:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:35:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:35:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:35:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:35:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:35:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:35:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:35:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:35:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:35:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:35:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:35:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:35:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:35:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:35:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:35:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:35:52,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:35:52,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608498858] [2024-11-08 17:35:52,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608498858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:35:52,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:35:52,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:35:52,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48629737] [2024-11-08 17:35:52,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:35:52,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:35:52,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:35:52,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:35:52,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:35:52,893 INFO L87 Difference]: Start difference. First operand 136 states and 198 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:35:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:35:53,272 INFO L93 Difference]: Finished difference Result 311 states and 448 transitions. [2024-11-08 17:35:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:35:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2024-11-08 17:35:53,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:35:53,275 INFO L225 Difference]: With dead ends: 311 [2024-11-08 17:35:53,275 INFO L226 Difference]: Without dead ends: 218 [2024-11-08 17:35:53,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:35:53,284 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 132 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:35:53,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 283 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:35:53,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-08 17:35:53,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 142. [2024-11-08 17:35:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 92 states have (on average 1.2391304347826086) internal successors, (114), 93 states have internal predecessors, (114), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 17:35:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 206 transitions. [2024-11-08 17:35:53,327 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 206 transitions. Word has length 135 [2024-11-08 17:35:53,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:35:53,328 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 206 transitions. [2024-11-08 17:35:53,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:35:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 206 transitions. [2024-11-08 17:35:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:35:53,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:35:53,332 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:53,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:35:53,333 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:35:53,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:53,333 INFO L85 PathProgramCache]: Analyzing trace with hash 851235768, now seen corresponding path program 1 times [2024-11-08 17:35:53,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:53,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834186287] [2024-11-08 17:35:53,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:35:53,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958574777] [2024-11-08 17:35:53,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:35:53,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:35:53,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:35:53,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:35:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:54,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:35:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:54,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:35:54,194 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:35:54,196 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:35:54,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:35:54,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:35:54,402 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 17:35:54,524 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:35:54,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:35:54 BoogieIcfgContainer [2024-11-08 17:35:54,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:35:54,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:35:54,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:35:54,530 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:35:54,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:49" (3/4) ... [2024-11-08 17:35:54,533 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:35:54,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:35:54,536 INFO L158 Benchmark]: Toolchain (without parser) took 6835.89ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 149.0MB in the beginning and 175.3MB in the end (delta: -26.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-08 17:35:54,536 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:35:54,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.41ms. Allocated memory is still 180.4MB. Free memory was 149.0MB in the beginning and 133.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:35:54,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.14ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 129.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:35:54,538 INFO L158 Benchmark]: Boogie Preprocessor took 98.82ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 124.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:35:54,539 INFO L158 Benchmark]: RCFGBuilder took 699.37ms. Allocated memory is still 180.4MB. Free memory was 124.5MB in the beginning and 102.9MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:35:54,539 INFO L158 Benchmark]: TraceAbstraction took 5505.65ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 102.2MB in the beginning and 175.3MB in the end (delta: -73.1MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2024-11-08 17:35:54,540 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 222.3MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:35:54,542 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.41ms. Allocated memory is still 180.4MB. Free memory was 149.0MB in the beginning and 133.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.14ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 129.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.82ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 124.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 699.37ms. Allocated memory is still 180.4MB. Free memory was 124.5MB in the beginning and 102.9MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5505.65ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 102.2MB in the beginning and 175.3MB in the end (delta: -73.1MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 222.3MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed char var_1_4 = 16; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 64; [L30] signed char var_1_12 = -10; [L31] signed char var_1_13 = -10; [L32] signed char var_1_14 = -25; [L33] double var_1_15 = 64.875; [L34] double var_1_17 = 1.625; [L35] double var_1_18 = 32.2; [L36] double var_1_19 = 8.6; [L37] double var_1_20 = 10.5; [L38] signed short int var_1_21 = -64; [L39] unsigned char var_1_22 = 25; [L40] unsigned char var_1_23 = 0; [L41] unsigned long int var_1_24 = 5; [L42] signed short int last_1_var_1_21 = -64; [L43] unsigned char last_1_var_1_22 = 25; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L123] last_1_var_1_21 = var_1_21 [L124] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L134] RET updateLastVariables() [L135] CALL updateVariables() [L89] var_1_4 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_4 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L91] RET assume_abort_if_not(var_1_4 <= 32) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L93] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L94] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L95] var_1_6 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L96] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L97] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L98] var_1_9 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L99] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L100] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L100] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L101] var_1_10 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L102] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L103] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L104] var_1_11 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L105] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L106] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L107] var_1_13 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L108] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L109] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L110] var_1_14 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L111] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L112] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L113] var_1_17 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L114] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L115] var_1_18 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L116] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L117] var_1_19 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L118] RET assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L119] var_1_20 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L120] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L135] RET updateVariables() [L136] CALL step() [L47] signed long int stepLocal_1 = ~ last_1_var_1_21; [L48] unsigned char stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L49] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L49] COND TRUE stepLocal_1 != (last_1_var_1_22 >> var_1_4) [L50] COND TRUE stepLocal_0 || var_1_6 [L51] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L58] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L61] unsigned short int stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_3=0, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=519/8, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L62] COND FALSE !(var_1_4 > stepLocal_3) [L65] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L67] COND TRUE ((- var_1_11) < 8) || var_1_9 [L68] var_1_22 = (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L70] var_1_23 = (var_1_11 + var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L71] COND TRUE var_1_18 <= var_1_20 [L72] var_1_24 = ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L78] COND FALSE !(var_1_6 || var_1_9) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L83] signed short int stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_2=-64, var_1_10=127, var_1_11=127, var_1_12=-10, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L84] COND TRUE var_1_10 > stepLocal_2 [L85] var_1_12 = ((var_1_4 + var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L127-L128] return (((((((((~ last_1_var_1_21) != (last_1_var_1_22 >> var_1_4)) ? ((var_1_5 || var_1_6) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) last_1_var_1_22))) : (var_1_1 == ((unsigned short int) 100))) && (var_1_9 ? (var_1_8 == ((unsigned char) (var_1_10 - (var_1_11 - var_1_4)))) : 1)) && ((var_1_10 > var_1_21) ? (var_1_12 == ((signed char) ((var_1_4 + var_1_13) + var_1_14))) : 1)) && ((var_1_4 > var_1_1) ? (var_1_15 == ((double) ((var_1_17 - var_1_18) + (((((var_1_19) > (499.25)) ? (var_1_19) : (499.25))) + var_1_20)))) : (var_1_15 == ((double) var_1_17)))) && ((var_1_6 || var_1_9) ? (((var_1_24 % var_1_10) > var_1_22) ? (var_1_21 == ((signed short int) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) + var_1_14))) : 1) : 1)) && ((((- var_1_11) < 8) || var_1_9) ? (var_1_22 == ((unsigned char) (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : 1)) && (var_1_23 == ((unsigned char) (var_1_11 + var_1_4)))) && ((var_1_18 <= var_1_20) ? (var_1_24 == ((unsigned long int) ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))))) : ((9.99999999999998E13 < var_1_20) ? (var_1_24 == ((unsigned long int) var_1_1)) : 1)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=-31, var_1_14=31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 246 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 921 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 536 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 242 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 385 mSDtfsCounter, 242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 121 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 1812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3040/3040 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:35:54,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:35:57,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:35:57,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:35:57,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:35:57,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:35:57,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:35:57,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:35:57,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:35:57,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:35:57,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:35:57,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:35:57,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:35:57,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:35:57,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:35:57,529 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:35:57,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:35:57,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:35:57,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:35:57,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:35:57,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:35:57,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:35:57,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:35:57,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:35:57,534 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:35:57,535 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:35:57,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:35:57,536 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:35:57,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:35:57,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:35:57,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:35:57,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:35:57,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:35:57,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:35:57,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:35:57,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:35:57,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:35:57,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:35:57,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:35:57,542 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:35:57,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:35:57,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:35:57,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:35:57,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:35:57,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:35:57,561 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_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f [2024-11-08 17:35:58,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:35:58,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:35:58,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:35:58,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:35:58,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:35:58,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i Unable to find full path for "g++" [2024-11-08 17:36:00,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:36:00,508 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:36:00,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-08 17:36:00,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data/f40459bc1/6093be2fe80a4babb65eabfb23820a53/FLAG5e14c8122 [2024-11-08 17:36:00,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/data/f40459bc1/6093be2fe80a4babb65eabfb23820a53 [2024-11-08 17:36:00,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:36:00,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:36:00,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:36:00,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:36:00,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:36:00,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:36:00" (1/1) ... [2024-11-08 17:36:00,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0f9b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:00, skipping insertion in model container [2024-11-08 17:36:00,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:36:00" (1/1) ... [2024-11-08 17:36:00,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:36:01,109 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-08 17:36:01,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:36:01,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:36:01,244 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-08 17:36:01,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:36:01,337 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:36:01,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01 WrapperNode [2024-11-08 17:36:01,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:36:01,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:36:01,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:36:01,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:36:01,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,409 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-08 17:36:01,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:36:01,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:36:01,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:36:01,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:36:01,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,471 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:36:01,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:36:01,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:36:01,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:36:01,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:36:01,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (1/1) ... [2024-11-08 17:36:01,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:36:01,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:36:01,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:36:01,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:36:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:36:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:36:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:36:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:36:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:36:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:36:01,786 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:36:01,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:36:07,373 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:36:07,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:36:07,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:36:07,387 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:36:07,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:36:07 BoogieIcfgContainer [2024-11-08 17:36:07,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:36:07,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:36:07,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:36:07,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:36:07,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:36:00" (1/3) ... [2024-11-08 17:36:07,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d940ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:36:07, skipping insertion in model container [2024-11-08 17:36:07,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:36:01" (2/3) ... [2024-11-08 17:36:07,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d940ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:36:07, skipping insertion in model container [2024-11-08 17:36:07,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:36:07" (3/3) ... [2024-11-08 17:36:07,397 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-08 17:36:07,415 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:36:07,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:36:07,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:36:07,484 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2dae3b67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:36:07,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:36:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:36:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:36:07,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:36:07,504 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:36:07,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:36:07,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:36:07,513 INFO L85 PathProgramCache]: Analyzing trace with hash -611164533, now seen corresponding path program 1 times [2024-11-08 17:36:07,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:36:07,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359608292] [2024-11-08 17:36:07,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:36:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:36:07,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:36:07,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:36:07,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 17:36:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:36:07,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:36:08,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:36:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-08 17:36:08,053 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:36:08,054 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:36:08,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359608292] [2024-11-08 17:36:08,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359608292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:36:08,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:36:08,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:36:08,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303948328] [2024-11-08 17:36:08,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:36:08,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:36:08,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:36:08,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:36:08,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:36:08,092 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:36:08,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:36:08,125 INFO L93 Difference]: Finished difference Result 121 states and 206 transitions. [2024-11-08 17:36:08,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:36:08,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2024-11-08 17:36:08,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:36:08,135 INFO L225 Difference]: With dead ends: 121 [2024-11-08 17:36:08,135 INFO L226 Difference]: Without dead ends: 60 [2024-11-08 17:36:08,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:36:08,142 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:36:08,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:36:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-08 17:36:08,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-08 17:36:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:36:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2024-11-08 17:36:08,194 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 131 [2024-11-08 17:36:08,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:36:08,194 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2024-11-08 17:36:08,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:36:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-11-08 17:36:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:36:08,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:36:08,200 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:36:08,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 17:36:08,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:36:08,401 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:36:08,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:36:08,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1550198915, now seen corresponding path program 1 times [2024-11-08 17:36:08,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:36:08,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849326761] [2024-11-08 17:36:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:36:08,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:36:08,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:36:08,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:36:08,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 17:36:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:36:08,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:36:08,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:36:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:36:11,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:36:11,083 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:36:11,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849326761] [2024-11-08 17:36:11,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849326761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:36:11,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:36:11,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:36:11,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789853100] [2024-11-08 17:36:11,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:36:11,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:36:11,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:36:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:36:11,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:36:11,088 INFO L87 Difference]: Start difference. First operand 60 states and 88 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:36:13,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:36:17,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:36:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:36:17,132 INFO L93 Difference]: Finished difference Result 175 states and 259 transitions. [2024-11-08 17:36:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:36:17,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-08 17:36:17,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:36:17,160 INFO L225 Difference]: With dead ends: 175 [2024-11-08 17:36:17,160 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 17:36:17,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:36:17,163 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 55 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:36:17,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 282 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-08 17:36:17,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 17:36:17,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 99. [2024-11-08 17:36:17,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 56 states have internal predecessors, (66), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:36:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2024-11-08 17:36:17,196 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 131 [2024-11-08 17:36:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:36:17,197 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2024-11-08 17:36:17,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:36:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2024-11-08 17:36:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:36:17,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:36:17,201 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:36:17,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 17:36:17,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:36:17,402 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:36:17,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:36:17,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2001271262, now seen corresponding path program 1 times [2024-11-08 17:36:17,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:36:17,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004524576] [2024-11-08 17:36:17,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:36:17,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:36:17,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:36:17,406 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:36:17,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 17:36:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:36:17,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:36:17,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:36:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 40 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 17:36:19,759 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:36:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:36:20,260 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:36:20,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004524576] [2024-11-08 17:36:20,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004524576] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:36:20,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:36:20,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-08 17:36:20,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673331695] [2024-11-08 17:36:20,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:36:20,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:36:20,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:36:20,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:36:20,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:36:20,264 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:36:23,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:36:27,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:36:28,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:36:28,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:36:28,901 INFO L93 Difference]: Finished difference Result 175 states and 257 transitions. [2024-11-08 17:36:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:36:28,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-11-08 17:36:28,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:36:28,905 INFO L225 Difference]: With dead ends: 175 [2024-11-08 17:36:28,905 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 17:36:28,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:36:28,908 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 25 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:36:28,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 220 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2024-11-08 17:36:28,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 17:36:28,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2024-11-08 17:36:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:36:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 150 transitions. [2024-11-08 17:36:28,960 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 150 transitions. Word has length 132 [2024-11-08 17:36:28,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:36:28,961 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 150 transitions. [2024-11-08 17:36:28,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:36:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2024-11-08 17:36:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:36:28,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:36:28,968 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:36:28,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 17:36:29,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:36:29,169 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:36:29,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:36:29,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1300206684, now seen corresponding path program 1 times [2024-11-08 17:36:29,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:36:29,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495288528] [2024-11-08 17:36:29,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:36:29,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:36:29,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:36:29,175 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:36:29,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566961d8-536f-4cd0-81ef-7522362a9307/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 17:36:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:36:29,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 17:36:29,527 INFO L278 TraceCheckSpWp]: Computing forward predicates...