./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.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_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/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_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/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_d66ccc73-298c-4f7e-b40b-291d79d38597/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 a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:59:05,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:59:05,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:59:05,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:59:05,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:59:05,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:59:05,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:59:05,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:59:05,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:59:05,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:59:05,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:59:05,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:59:05,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:59:05,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:59:05,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:59:05,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:59:05,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:59:05,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:05,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:59:05,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:59:05,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:59:05,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:59:05,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:59:05,526 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_d66ccc73-298c-4f7e-b40b-291d79d38597/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 -> a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 [2024-11-13 16:59:05,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:59:05,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:59:05,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:59:05,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:59:05,812 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:59:05,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:59:07,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:59:08,097 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:59:08,098 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-11-13 16:59:08,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data/a6b34bc21/5d3cccf5fe504af587c5f3fd61a0b875/FLAG21b0a0c52 [2024-11-13 16:59:08,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data/a6b34bc21/5d3cccf5fe504af587c5f3fd61a0b875 [2024-11-13 16:59:08,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:59:08,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:59:08,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:08,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:59:08,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:59:08,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f38a3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08, skipping insertion in model container [2024-11-13 16:59:08,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:59:08,388 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_d66ccc73-298c-4f7e-b40b-291d79d38597/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-13 16:59:08,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:08,837 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:59:08,850 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_d66ccc73-298c-4f7e-b40b-291d79d38597/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-13 16:59:09,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:09,150 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:59:09,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09 WrapperNode [2024-11-13 16:59:09,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:09,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:09,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:59:09,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:59:09,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:09,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:09,949 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5669 [2024-11-13 16:59:09,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:09,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:59:09,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:59:09,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:59:09,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:09,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:59:10,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:59:10,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:59:10,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:59:10,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:10,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:11,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:59:11,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:59:11,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:59:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:59:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:59:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:59:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:59:11,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:59:11,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:59:19,237 INFO L? ?]: Removed 3093 outVars from TransFormulas that were not future-live. [2024-11-13 16:59:19,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:59:28,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:59:28,600 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:59:28,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:28 BoogieIcfgContainer [2024-11-13 16:59:28,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:59:28,602 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:59:28,602 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:59:28,613 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:59:28,613 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:28" (1/1) ... [2024-11-13 16:59:28,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:59:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:59:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:59:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:59:28,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:28,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:32,875 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 16:59:43,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:59:53,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:59:55,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:59:56,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:59:59,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:00:08,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:00:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 17:00:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 17:00:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 17:00:08,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:08,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:01:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 17:01:32,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 17:02:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 17:02:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:02:51,263 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 17:02:51,271 INFO L158 Benchmark]: Toolchain (without parser) took 223135.45ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 90.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 17:02:51,272 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:02:51,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1014.20ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 60.7MB in the end (delta: 29.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2024-11-13 17:02:51,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 797.76ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 60.6MB in the beginning and 150.9MB in the end (delta: -90.3MB). Peak memory consumption was 121.2MB. Max. memory is 16.1GB. [2024-11-13 17:02:51,273 INFO L158 Benchmark]: Boogie Preprocessor took 1030.72ms. Allocated memory is still 285.2MB. Free memory was 150.9MB in the beginning and 125.8MB in the end (delta: 25.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-13 17:02:51,274 INFO L158 Benchmark]: RCFGBuilder took 17619.10ms. Allocated memory was 285.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 125.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 867.5MB. Max. memory is 16.1GB. [2024-11-13 17:02:51,274 INFO L158 Benchmark]: CodeCheck took 202668.77ms. Allocated memory is still 2.3GB. Free memory was 1.9GB in the beginning and 1.1GB in the end (delta: 791.5MB). Peak memory consumption was 795.6MB. Max. memory is 16.1GB. [2024-11-13 17:02:51,277 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 0.25ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1014.20ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 60.7MB in the end (delta: 29.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 797.76ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 60.6MB in the beginning and 150.9MB in the end (delta: -90.3MB). Peak memory consumption was 121.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1030.72ms. Allocated memory is still 285.2MB. Free memory was 150.9MB in the beginning and 125.8MB in the end (delta: 25.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * RCFGBuilder took 17619.10ms. Allocated memory was 285.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 125.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 867.5MB. Max. memory is 16.1GB. * CodeCheck took 202668.77ms. Allocated memory is still 2.3GB. Free memory was 1.9GB in the beginning and 1.1GB in the end (delta: 791.5MB). Peak memory consumption was 795.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 17:02:51,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/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_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/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_d66ccc73-298c-4f7e-b40b-291d79d38597/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 a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 17:02:54,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 17:02:54,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 17:02:54,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 17:02:54,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 17:02:54,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 17:02:54,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 17:02:54,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 17:02:54,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 17:02:54,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 17:02:54,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 17:02:54,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 17:02:54,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 17:02:54,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 17:02:54,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 17:02:54,262 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:54,262 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 17:02:54,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 17:02:54,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:02:54,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 17:02:54,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 17:02:54,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 17:02:54,263 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 17:02:54,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:54,263 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 17:02:54,263 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_d66ccc73-298c-4f7e-b40b-291d79d38597/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 -> a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 [2024-11-13 17:02:54,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 17:02:54,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 17:02:54,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 17:02:54,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 17:02:54,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 17:02:54,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 17:02:56,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 17:02:57,023 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 17:02:57,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-11-13 17:02:57,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data/571025188/fc926c13c84c4db2ac5bd7a1b32c028f/FLAG7bf2ce620 [2024-11-13 17:02:57,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/data/571025188/fc926c13c84c4db2ac5bd7a1b32c028f [2024-11-13 17:02:57,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 17:02:57,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 17:02:57,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 17:02:57,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 17:02:57,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 17:02:57,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:02:57" (1/1) ... [2024-11-13 17:02:57,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852ae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:57, skipping insertion in model container [2024-11-13 17:02:57,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:02:57" (1/1) ... [2024-11-13 17:02:57,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 17:02:57,372 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_d66ccc73-298c-4f7e-b40b-291d79d38597/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-13 17:02:57,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:02:57,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 17:02:57,775 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_d66ccc73-298c-4f7e-b40b-291d79d38597/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-13 17:02:58,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:02:58,039 INFO L204 MainTranslator]: Completed translation [2024-11-13 17:02:58,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58 WrapperNode [2024-11-13 17:02:58,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 17:02:58,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 17:02:58,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 17:02:58,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 17:02:58,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,254 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1861 [2024-11-13 17:02:58,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 17:02:58,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 17:02:58,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 17:02:58,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 17:02:58,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 17:02:58,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 17:02:58,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 17:02:58,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 17:02:58,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:02:58" (1/1) ... [2024-11-13 17:02:58,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:02:58,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 17:02:58,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 17:02:58,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 17:02:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 17:02:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 17:02:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 17:02:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 17:02:59,038 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 17:02:59,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 17:03:02,184 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-11-13 17:03:02,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 17:03:02,267 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 17:03:02,268 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 17:03:02,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:03:02 BoogieIcfgContainer [2024-11-13 17:03:02,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 17:03:02,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 17:03:02,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 17:03:02,279 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 17:03:02,279 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:03:02" (1/1) ... [2024-11-13 17:03:02,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 17:03:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 17:03:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 17:03:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 17:03:02,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:02,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:02,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:02,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:02,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 17:03:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:03,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:03,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 17:03:03,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:03:03,518 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 17:03:03,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 17:03:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 17:03:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 17:03:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 17:03:03,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:03,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:03,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:03,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:03,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66ccc73-298c-4f7e-b40b-291d79d38597/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 17:03:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:05,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:05,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-13 17:03:05,716 INFO L278 TraceCheckSpWp]: Computing forward predicates...