./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:56:16,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:56:16,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:56:16,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:56:16,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:56:16,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:56:16,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:56:16,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:56:16,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:56:16,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:56:16,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:56:16,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:56:16,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:56:16,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:56:16,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:56:16,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:56:16,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:56:16,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:56:16,313 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:56:16,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:56:16,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:56:16,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:56:16,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:56:16,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:56:16,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:16,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:56:16,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:56:16,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:56:16,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:56:16,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:56:16,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f [2024-11-25 04:56:16,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:56:16,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:56:16,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:56:16,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:56:16,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:56:16,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-11-25 04:56:19,882 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/2f8b55042/1a62195a1c964dcfa151b2a22a7f9390/FLAGff78bf2be [2024-11-25 04:56:20,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:56:20,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-11-25 04:56:20,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/2f8b55042/1a62195a1c964dcfa151b2a22a7f9390/FLAGff78bf2be [2024-11-25 04:56:20,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/2f8b55042/1a62195a1c964dcfa151b2a22a7f9390 [2024-11-25 04:56:20,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:56:20,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:56:20,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:20,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:56:20,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:56:20,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:20" (1/1) ... [2024-11-25 04:56:20,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68dbec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:20, skipping insertion in model container [2024-11-25 04:56:20,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:20" (1/1) ... [2024-11-25 04:56:20,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:56:20,790 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_06b4f2dd-74a8-434a-abbd-53c09cbe7941/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-25 04:56:21,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:21,455 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:56:21,466 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_06b4f2dd-74a8-434a-abbd-53c09cbe7941/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-25 04:56:21,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:21,858 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:56:21,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21 WrapperNode [2024-11-25 04:56:21,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:21,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:21,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:56:21,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:56:21,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:21,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:23,596 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10415 [2024-11-25 04:56:23,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:23,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:56:23,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:56:23,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:56:23,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:23,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:23,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:23,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:24,666 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:24,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:24,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:24,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:24,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:25,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:56:25,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:56:25,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:56:25,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:56:25,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:21" (1/1) ... [2024-11-25 04:56:25,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:25,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:56:25,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:56:25,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:56:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:56:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:56:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:56:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:56:26,059 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:56:26,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:56:44,802 INFO L? ?]: Removed 5610 outVars from TransFormulas that were not future-live. [2024-11-25 04:56:44,803 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:57:10,018 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:57:10,019 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:57:10,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:10 BoogieIcfgContainer [2024-11-25 04:57:10,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:57:10,020 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:57:10,020 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:57:10,031 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:57:10,031 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:10" (1/1) ... [2024-11-25 04:57:10,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:57:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:57:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:57:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:57:10,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:10,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:25,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:57:35,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:57:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:57:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:57:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:57:36,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:01:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:02:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:02:00,711 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:02:00,716 INFO L158 Benchmark]: Toolchain (without parser) took 340310.52ms. Allocated memory was 142.6MB in the beginning and 6.5GB in the end (delta: 6.4GB). Free memory was 113.2MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 05:02:00,717 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:00,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.31ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 52.9MB in the end (delta: 60.1MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. [2024-11-25 05:02:00,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 1736.21ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 52.9MB in the beginning and 142.2MB in the end (delta: -89.3MB). Peak memory consumption was 187.9MB. Max. memory is 16.1GB. [2024-11-25 05:02:00,720 INFO L158 Benchmark]: Boogie Preprocessor took 1532.24ms. Allocated memory was 335.5MB in the beginning and 704.6MB in the end (delta: 369.1MB). Free memory was 142.2MB in the beginning and 448.3MB in the end (delta: -306.1MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-11-25 05:02:00,720 INFO L158 Benchmark]: RCFGBuilder took 44888.44ms. Allocated memory was 704.6MB in the beginning and 3.1GB in the end (delta: 2.4GB). Free memory was 448.3MB in the beginning and 1.8GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 05:02:00,721 INFO L158 Benchmark]: CodeCheck took 290695.28ms. Allocated memory was 3.1GB in the beginning and 6.5GB in the end (delta: 3.4GB). Free memory was 1.8GB in the beginning and 5.4GB in the end (delta: -3.6GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:00,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.31ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 52.9MB in the end (delta: 60.1MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1736.21ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 52.9MB in the beginning and 142.2MB in the end (delta: -89.3MB). Peak memory consumption was 187.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1532.24ms. Allocated memory was 335.5MB in the beginning and 704.6MB in the end (delta: 369.1MB). Free memory was 142.2MB in the beginning and 448.3MB in the end (delta: -306.1MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * RCFGBuilder took 44888.44ms. Allocated memory was 704.6MB in the beginning and 3.1GB in the end (delta: 2.4GB). Free memory was 448.3MB in the beginning and 1.8GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 290695.28ms. Allocated memory was 3.1GB in the beginning and 6.5GB in the end (delta: 3.4GB). Free memory was 1.8GB in the beginning and 5.4GB in the end (delta: -3.6GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:02:00,938 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 05:02:00,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:02:04,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:02:04,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 05:02:04,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:02:04,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:02:04,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:02:04,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:02:04,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:02:04,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:02:04,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:02:04,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:02:04,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:02:04,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:02:04,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:02:04,427 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:02:04,427 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:02:04,427 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:02:04,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:02:04,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:02:04,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:02:04,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:02:04,428 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:02:04,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:02:04,429 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:04,429 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:02:04,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:02:04,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:02:04,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:02:04,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:02:04,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:02:04,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:02:04,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:04,431 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:02:04,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f [2024-11-25 05:02:04,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:02:04,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:02:04,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:02:04,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:02:04,864 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:02:04,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-11-25 05:02:08,219 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/ddb28cab9/5dca025e043e4ff1bfb76700639c964c/FLAGb6af359d0 [2024-11-25 05:02:08,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:02:08,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-11-25 05:02:08,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/ddb28cab9/5dca025e043e4ff1bfb76700639c964c/FLAGb6af359d0 [2024-11-25 05:02:08,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/data/ddb28cab9/5dca025e043e4ff1bfb76700639c964c [2024-11-25 05:02:08,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:02:08,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:02:08,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:02:08,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:02:08,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:02:08,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:08" (1/1) ... [2024-11-25 05:02:08,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251644d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:08, skipping insertion in model container [2024-11-25 05:02:08,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:08" (1/1) ... [2024-11-25 05:02:08,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:02:09,131 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_06b4f2dd-74a8-434a-abbd-53c09cbe7941/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-25 05:02:09,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:02:09,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:02:09,757 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_06b4f2dd-74a8-434a-abbd-53c09cbe7941/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-25 05:02:10,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:02:10,124 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:02:10,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10 WrapperNode [2024-11-25 05:02:10,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:02:10,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:02:10,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:02:10,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:02:10,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,368 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2791 [2024-11-25 05:02:10,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:02:10,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:02:10,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:02:10,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:02:10,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:02:10,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:02:10,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:02:10,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:02:10,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:10" (1/1) ... [2024-11-25 05:02:10,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:02:10,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:02:10,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:02:10,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:02:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:02:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:02:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:02:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:02:11,313 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:02:11,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:02:18,235 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-25 05:02:18,235 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:02:18,418 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:02:18,419 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:02:18,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:18 BoogieIcfgContainer [2024-11-25 05:02:18,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:02:18,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:02:18,420 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:02:18,431 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:02:18,432 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:18" (1/1) ... [2024-11-25 05:02:18,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:02:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:02:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:02:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:02:18,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:18,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:18,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:18,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:02:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:19,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:20,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:02:20,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:02:20,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:02:23,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:02:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:02:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:02:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:02:23,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:23,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:23,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:23,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:23,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b4f2dd-74a8-434a-abbd-53c09cbe7941/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:02:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:26,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:27,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 05:02:27,379 INFO L279 TraceCheckSpWp]: Computing forward predicates...