./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:08:22,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:08:22,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:08:22,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:08:22,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:08:22,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:08:22,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:08:22,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:08:22,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:08:22,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:08:22,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:08:22,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:08:22,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:08:22,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:08:22,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:08:22,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:08:22,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:08:22,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:08:22,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:08:22,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:08:22,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:08:22,907 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:08:22,907 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:08:22,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:08:22,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:22,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:08:22,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:08:22,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:08:22,908 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:08:22,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:08:22,908 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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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 -> 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 [2024-11-13 21:08:23,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:23,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:23,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:23,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:23,251 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:23,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:08:25,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:25,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:25,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2024-11-13 21:08:25,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data/c916948f7/cc026744b12a4caab9c71d06de9e9cae/FLAG55f8881e6 [2024-11-13 21:08:25,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data/c916948f7/cc026744b12a4caab9c71d06de9e9cae [2024-11-13 21:08:25,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:25,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:25,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:25,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:25,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:25,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:25" (1/1) ... [2024-11-13 21:08:25,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bb1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:25, skipping insertion in model container [2024-11-13 21:08:25,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:25" (1/1) ... [2024-11-13 21:08:25,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:26,000 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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-11-13 21:08:26,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:26,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:26,719 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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-11-13 21:08:27,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:27,121 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:27,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27 WrapperNode [2024-11-13 21:08:27,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:27,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:27,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:27,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:27,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:27,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:28,303 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11615 [2024-11-13 21:08:28,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:28,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:28,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:28,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:28,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:28,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:28,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:28,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:29,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:29,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:29,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:29,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:29,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:29,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:29,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:29,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:29,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:27" (1/1) ... [2024-11-13 21:08:29,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:29,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:29,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:29,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:30,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:30,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:52,603 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:52,603 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:09:16,390 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:09:16,391 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:09:16,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:16 BoogieIcfgContainer [2024-11-13 21:09:16,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:09:16,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:09:16,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:09:16,403 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:09:16,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:16" (1/1) ... [2024-11-13 21:09:16,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:09:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:09:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:09:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:09:16,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:09:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:25,040 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 21:09:35,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:09:45,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:09:49,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:09:51,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:09:55,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:09:57,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:10:07,085 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 21:10:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:07,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:10:07,131 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:10:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:10:07,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:07,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:14:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:14:58,615 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 21:14:58,623 INFO L158 Benchmark]: Toolchain (without parser) took 392921.87ms. Allocated memory was 117.4MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 89.2MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-13 21:14:58,624 INFO L158 Benchmark]: CDTParser took 1.08ms. 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 21:14:58,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.04ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.8MB in the beginning and 258.4MB in the end (delta: -169.6MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-11-13 21:14:58,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 1179.89ms. Allocated memory is still 352.3MB. Free memory was 258.4MB in the beginning and 117.1MB in the end (delta: 141.3MB). Peak memory consumption was 245.5MB. Max. memory is 16.1GB. [2024-11-13 21:14:58,626 INFO L158 Benchmark]: Boogie Preprocessor took 1603.51ms. Allocated memory was 352.3MB in the beginning and 838.9MB in the end (delta: 486.5MB). Free memory was 117.1MB in the beginning and 546.3MB in the end (delta: -429.2MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-11-13 21:14:58,626 INFO L158 Benchmark]: RCFGBuilder took 46482.81ms. Allocated memory was 838.9MB in the beginning and 2.7GB in the end (delta: 1.9GB). Free memory was 546.3MB in the beginning and 1.9GB in the end (delta: -1.3GB). Peak memory consumption was 958.1MB. Max. memory is 16.1GB. [2024-11-13 21:14:58,627 INFO L158 Benchmark]: CodeCheck took 342229.33ms. Allocated memory was 2.7GB in the beginning and 5.8GB in the end (delta: 3.1GB). Free memory was 1.9GB in the beginning and 3.8GB in the end (delta: -2.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 21:14:58,634 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 1.08ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.04ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.8MB in the beginning and 258.4MB in the end (delta: -169.6MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1179.89ms. Allocated memory is still 352.3MB. Free memory was 258.4MB in the beginning and 117.1MB in the end (delta: 141.3MB). Peak memory consumption was 245.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1603.51ms. Allocated memory was 352.3MB in the beginning and 838.9MB in the end (delta: 486.5MB). Free memory was 117.1MB in the beginning and 546.3MB in the end (delta: -429.2MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * RCFGBuilder took 46482.81ms. Allocated memory was 838.9MB in the beginning and 2.7GB in the end (delta: 1.9GB). Free memory was 546.3MB in the beginning and 1.9GB in the end (delta: -1.3GB). Peak memory consumption was 958.1MB. Max. memory is 16.1GB. * CodeCheck took 342229.33ms. Allocated memory was 2.7GB in the beginning and 5.8GB in the end (delta: 3.1GB). Free memory was 1.9GB in the beginning and 3.8GB in the end (delta: -2.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:14:58,846 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:14:58,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:02,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:02,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:15:02,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:02,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:02,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:02,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:02,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:02,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:02,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:02,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:02,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:02,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:02,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:02,374 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:15:02,375 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:15:02,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:02,375 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:15:02,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:02,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:02,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:02,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:02,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:02,377 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:02,378 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:15:02,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:02,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:02,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:02,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:02,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:02,379 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:15:02,379 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:02,379 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:15:02,379 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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/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 -> 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 [2024-11-13 21:15:02,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:02,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:02,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:02,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:02,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:02,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:15:04,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:05,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:05,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2024-11-13 21:15:05,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data/5d50b3a6a/7607dad23fa34c9dbf3c63ac38f93636/FLAGdada219a4 [2024-11-13 21:15:05,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/data/5d50b3a6a/7607dad23fa34c9dbf3c63ac38f93636 [2024-11-13 21:15:05,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:05,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:05,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:05,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:05,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:05,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:05" (1/1) ... [2024-11-13 21:15:05,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ecfb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:05, skipping insertion in model container [2024-11-13 21:15:05,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:05" (1/1) ... [2024-11-13 21:15:05,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:05,801 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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-11-13 21:15:06,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:06,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:06,353 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_a8ec496f-d775-4d57-bae6-f06ab4b7db64/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-11-13 21:15:06,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:06,611 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:06,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06 WrapperNode [2024-11-13 21:15:06,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:06,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:06,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:06,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:06,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:06,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:06,914 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3315 [2024-11-13 21:15:06,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:06,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:06,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:06,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:06,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:06,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:06,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:06,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:07,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:07,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:07,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:07,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:07,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:07,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:07,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:07,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:07,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:06" (1/1) ... [2024-11-13 21:15:07,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:07,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:07,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:07,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:15:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:07,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:07,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:14,356 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-11-13 21:15:14,356 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:14,467 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:15:14,467 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:15:14,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:14 BoogieIcfgContainer [2024-11-13 21:15:14,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:15:14,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:15:14,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:15:14,479 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:15:14,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:14" (1/1) ... [2024-11-13 21:15:14,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:15:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:15:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:15:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:15:14,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:14,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:14,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:14,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:14,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:15:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:15,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:16,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:15:16,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:16,301 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 21:15:16,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:15:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:15:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:15:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:15:17,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:17,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:17,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:17,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:17,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ec496f-d775-4d57-bae6-f06ab4b7db64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:15:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:19,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:20,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-13 21:15:20,063 INFO L278 TraceCheckSpWp]: Computing forward predicates...