./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm --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 b8e1a2e6efddb3cb04f380db84fe8292e7448ba0620741cad114aca9ad91f56c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:40:18,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:40:18,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:40:18,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:40:18,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:40:18,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:40:18,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:40:18,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:40:18,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:40:18,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:40:18,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:40:18,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:40:18,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:40:18,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:40:18,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:40:18,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:40:18,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:40:18,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:40:18,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:40:18,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:40:18,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:40:18,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:40:18,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:40:18,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:40:18,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:18,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:40:18,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:40:18,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:40:18,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:40:18,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:40:18,811 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_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm 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 -> b8e1a2e6efddb3cb04f380db84fe8292e7448ba0620741cad114aca9ad91f56c [2024-11-13 22:40:19,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:40:19,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:40:19,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:40:19,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:40:19,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:40:19,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:40:21,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:40:21,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:40:21,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c [2024-11-13 22:40:21,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data/58cb49f28/f84f0f9e57c14e56902c5946d59d08bd/FLAG15b80ff55 [2024-11-13 22:40:21,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data/58cb49f28/f84f0f9e57c14e56902c5946d59d08bd [2024-11-13 22:40:21,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:40:21,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:40:21,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:21,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:40:21,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:40:21,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:21" (1/1) ... [2024-11-13 22:40:21,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc641fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:21, skipping insertion in model container [2024-11-13 22:40:21,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:21" (1/1) ... [2024-11-13 22:40:21,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:40:22,056 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_f2431760-f133-4173-a8a0-ae2aadd63711/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c[1175,1188] [2024-11-13 22:40:22,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:22,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:40:22,712 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_f2431760-f133-4173-a8a0-ae2aadd63711/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c[1175,1188] [2024-11-13 22:40:23,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:23,067 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:40:23,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23 WrapperNode [2024-11-13 22:40:23,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:23,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:23,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:40:23,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:40:23,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:23,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:24,474 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10292 [2024-11-13 22:40:24,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:24,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:40:24,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:40:24,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:40:24,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:24,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:24,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:24,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:25,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:25,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:25,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:25,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:25,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:40:25,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:40:25,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:40:25,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:40:25,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:23" (1/1) ... [2024-11-13 22:40:25,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:26,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:40:26,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:40:26,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:40:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:40:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:40:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:40:26,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:40:26,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:40:26,774 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:40:45,697 INFO L? ?]: Removed 5687 outVars from TransFormulas that were not future-live. [2024-11-13 22:40:45,698 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:41:06,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:41:06,610 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:41:06,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:06 BoogieIcfgContainer [2024-11-13 22:41:06,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:41:06,612 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:41:06,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:41:06,623 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:41:06,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:06" (1/1) ... [2024-11-13 22:41:06,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:41:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:41:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:41:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:41:06,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:06,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:41:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:41:27,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:41:37,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:41:44,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:41:46,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:41:50,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:42:00,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:42:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:42:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:42:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:42:00,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:00,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:47:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:47:40,396 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) [2024-11-13 22:47:40,402 INFO L158 Benchmark]: Toolchain (without parser) took 438729.99ms. Allocated memory was 117.4MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 89.3MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-11-13 22:47:40,405 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:40,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.45ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.0MB in the beginning and 263.5MB in the end (delta: -174.6MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-11-13 22:47:40,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 1404.10ms. Allocated memory is still 352.3MB. Free memory was 263.5MB in the beginning and 122.5MB in the end (delta: 141.1MB). Peak memory consumption was 277.2MB. Max. memory is 16.1GB. [2024-11-13 22:47:40,410 INFO L158 Benchmark]: Boogie Preprocessor took 1502.76ms. Allocated memory was 352.3MB in the beginning and 872.4MB in the end (delta: 520.1MB). Free memory was 122.5MB in the beginning and 589.8MB in the end (delta: -467.3MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-11-13 22:47:40,411 INFO L158 Benchmark]: RCFGBuilder took 40629.76ms. Allocated memory was 872.4MB in the beginning and 3.1GB in the end (delta: 2.2GB). Free memory was 589.8MB in the beginning and 2.0GB in the end (delta: -1.4GB). Peak memory consumption was 886.6MB. Max. memory is 16.1GB. [2024-11-13 22:47:40,411 INFO L158 Benchmark]: CodeCheck took 393789.65ms. Allocated memory was 3.1GB in the beginning and 5.8GB in the end (delta: 2.7GB). Free memory was 2.0GB in the beginning and 2.5GB in the end (delta: -440.3MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-13 22:47:40,414 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 0.97ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.45ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.0MB in the beginning and 263.5MB in the end (delta: -174.6MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1404.10ms. Allocated memory is still 352.3MB. Free memory was 263.5MB in the beginning and 122.5MB in the end (delta: 141.1MB). Peak memory consumption was 277.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1502.76ms. Allocated memory was 352.3MB in the beginning and 872.4MB in the end (delta: 520.1MB). Free memory was 122.5MB in the beginning and 589.8MB in the end (delta: -467.3MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * RCFGBuilder took 40629.76ms. Allocated memory was 872.4MB in the beginning and 3.1GB in the end (delta: 2.2GB). Free memory was 589.8MB in the beginning and 2.0GB in the end (delta: -1.4GB). Peak memory consumption was 886.6MB. Max. memory is 16.1GB. * CodeCheck took 393789.65ms. Allocated memory was 3.1GB in the beginning and 5.8GB in the end (delta: 2.7GB). Free memory was 2.0GB in the beginning and 2.5GB in the end (delta: -440.3MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:47:40,631 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:47:40,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/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_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm --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 b8e1a2e6efddb3cb04f380db84fe8292e7448ba0620741cad114aca9ad91f56c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:43,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:43,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:47:43,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:43,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:43,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:43,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:43,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:47:43,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:47:43,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:43,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:47:43,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:43,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:43,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:43,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:43,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:43,937 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:43,937 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:47:43,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:43,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:43,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:43,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:43,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:43,938 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:47:43,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:43,939 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:47:43,939 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_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm 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 -> b8e1a2e6efddb3cb04f380db84fe8292e7448ba0620741cad114aca9ad91f56c [2024-11-13 22:47:44,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:44,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:44,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:44,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:44,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:44,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:47:46,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:47,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:47,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c [2024-11-13 22:47:47,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data/8645909a0/450242458e6f43579340104c3caa8cac/FLAG703c1138e [2024-11-13 22:47:47,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/data/8645909a0/450242458e6f43579340104c3caa8cac [2024-11-13 22:47:47,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:47,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:47,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:47,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:47,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:47,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:47" (1/1) ... [2024-11-13 22:47:47,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1439fd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:47, skipping insertion in model container [2024-11-13 22:47:47,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:47" (1/1) ... [2024-11-13 22:47:47,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:47,915 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_f2431760-f133-4173-a8a0-ae2aadd63711/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c[1175,1188] [2024-11-13 22:47:48,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:48,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:48,678 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_f2431760-f133-4173-a8a0-ae2aadd63711/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-back-serstep.c[1175,1188] [2024-11-13 22:47:49,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:49,047 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:49,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49 WrapperNode [2024-11-13 22:47:49,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:49,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:49,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:49,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:49,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,320 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3284 [2024-11-13 22:47:49,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:49,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:49,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:49,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:49,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:49,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:49,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:49,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:49,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:49" (1/1) ... [2024-11-13 22:47:49,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:49,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:49,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:49,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:47:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:50,457 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:50,459 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:56,865 INFO L? ?]: Removed 301 outVars from TransFormulas that were not future-live. [2024-11-13 22:47:56,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:56,992 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:47:56,992 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:47:56,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:56 BoogieIcfgContainer [2024-11-13 22:47:56,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:47:56,994 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:47:56,994 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:47:57,007 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:47:57,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:56" (1/1) ... [2024-11-13 22:47:57,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:47:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:47:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:47:57,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:47:57,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:57,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:57,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:57,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:57,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:47:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:58,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:58,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:47:58,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:58,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:47:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:47:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:47:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:47:59,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:59,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:59,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:59,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:59,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2431760-f133-4173-a8a0-ae2aadd63711/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:48:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:01,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:48:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:02,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-13 22:48:02,232 INFO L278 TraceCheckSpWp]: Computing forward predicates...