./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b --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 971a79888eb045c512b4145d21dcb1a39479e44f2d64b7ae1157d093e7e8caff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:42:24,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:42:24,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:42:24,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:42:24,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:42:24,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:42:24,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:42:24,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:42:24,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:42:24,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:42:24,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:42:24,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:42:24,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:42:24,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:42:24,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:42:24,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:42:24,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:42:24,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:42:24,620 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:42:24,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:42:24,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:42:24,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:42:24,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:42:24,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:42:24,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:42:24,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:42:24,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:42:24,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:42:24,621 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:42:24,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:42:24,621 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_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b 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 -> 971a79888eb045c512b4145d21dcb1a39479e44f2d64b7ae1157d093e7e8caff [2024-12-06 05:42:24,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:42:24,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:42:24,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:42:24,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:42:24,848 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:42:24,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c [2024-12-06 05:42:27,456 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/9d1959ab3/a47c02c781044b73b058855ab07a66e9/FLAG5e802b0a2 [2024-12-06 05:42:27,810 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:42:27,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c [2024-12-06 05:42:27,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/9d1959ab3/a47c02c781044b73b058855ab07a66e9/FLAG5e802b0a2 [2024-12-06 05:42:28,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/9d1959ab3/a47c02c781044b73b058855ab07a66e9 [2024-12-06 05:42:28,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:42:28,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:42:28,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:42:28,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:42:28,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:42:28,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:28" (1/1) ... [2024-12-06 05:42:28,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db6464f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:28, skipping insertion in model container [2024-12-06 05:42:28,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:28" (1/1) ... [2024-12-06 05:42:28,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:42:28,297 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_b8ebeb85-3eff-47d3-845c-5b06588a4658/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c[1176,1189] [2024-12-06 05:42:28,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:42:28,785 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:42:28,794 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_b8ebeb85-3eff-47d3-845c-5b06588a4658/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c[1176,1189] [2024-12-06 05:42:29,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:42:29,107 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:42:29,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29 WrapperNode [2024-12-06 05:42:29,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:42:29,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:42:29,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:42:29,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:42:29,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:29,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,046 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12877 [2024-12-06 05:42:30,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:42:30,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:42:30,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:42:30,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:42:30,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:42:30,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:42:30,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:42:30,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:42:30,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:29" (1/1) ... [2024-12-06 05:42:30,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:42:30,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:42:30,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:42:30,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:42:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:42:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:42:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:42:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:42:31,634 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:42:31,636 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:42:54,229 INFO L? ?]: Removed 7253 outVars from TransFormulas that were not future-live. [2024-12-06 05:42:54,229 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:43:11,929 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:43:11,929 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:43:11,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:11 BoogieIcfgContainer [2024-12-06 05:43:11,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:43:11,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:43:11,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:43:11,939 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:43:11,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:11" (1/1) ... [2024-12-06 05:43:11,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:43:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:43:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:43:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:43:11,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:12,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:43:24,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:43:34,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:43:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:43:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:43:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:43:35,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:35,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:48:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:48:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:48:59,032 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) [2024-12-06 05:48:59,039 INFO L158 Benchmark]: Toolchain (without parser) took 390998.74ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 110.7MB in the beginning and 811.8MB in the end (delta: -701.2MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 05:48:59,039 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:48:59,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1068.71ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 110.7MB in the beginning and 247.2MB in the end (delta: -136.6MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-12-06 05:48:59,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 937.65ms. Allocated memory was 335.5MB in the beginning and 1.0GB in the end (delta: 671.1MB). Free memory was 247.2MB in the beginning and 712.9MB in the end (delta: -465.6MB). Peak memory consumption was 267.1MB. Max. memory is 16.1GB. [2024-12-06 05:48:59,042 INFO L158 Benchmark]: Boogie Preprocessor took 883.33ms. Allocated memory is still 1.0GB. Free memory was 712.9MB in the beginning and 623.4MB in the end (delta: 89.5MB). Peak memory consumption was 110.4MB. Max. memory is 16.1GB. [2024-12-06 05:48:59,043 INFO L158 Benchmark]: RCFGBuilder took 40998.54ms. Allocated memory was 1.0GB in the beginning and 3.6GB in the end (delta: 2.6GB). Free memory was 623.4MB in the beginning and 2.8GB in the end (delta: -2.2GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-12-06 05:48:59,043 INFO L158 Benchmark]: CodeCheck took 347106.59ms. Allocated memory was 3.6GB in the beginning and 2.5GB in the end (delta: -1.1GB). Free memory was 2.8GB in the beginning and 811.8MB in the end (delta: 2.0GB). Peak memory consumption was 858.2MB. Max. memory is 16.1GB. [2024-12-06 05:48:59,047 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1068.71ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 110.7MB in the beginning and 247.2MB in the end (delta: -136.6MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 937.65ms. Allocated memory was 335.5MB in the beginning and 1.0GB in the end (delta: 671.1MB). Free memory was 247.2MB in the beginning and 712.9MB in the end (delta: -465.6MB). Peak memory consumption was 267.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 883.33ms. Allocated memory is still 1.0GB. Free memory was 712.9MB in the beginning and 623.4MB in the end (delta: 89.5MB). Peak memory consumption was 110.4MB. Max. memory is 16.1GB. * RCFGBuilder took 40998.54ms. Allocated memory was 1.0GB in the beginning and 3.6GB in the end (delta: 2.6GB). Free memory was 623.4MB in the beginning and 2.8GB in the end (delta: -2.2GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * CodeCheck took 347106.59ms. Allocated memory was 3.6GB in the beginning and 2.5GB in the end (delta: -1.1GB). Free memory was 2.8GB in the beginning and 811.8MB in the end (delta: 2.0GB). Peak memory consumption was 858.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:48:59,262 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 05:48:59,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/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_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b --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 971a79888eb045c512b4145d21dcb1a39479e44f2d64b7ae1157d093e7e8caff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:49:01,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:49:01,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:49:01,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:49:01,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:49:01,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:49:01,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:49:01,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:49:01,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:49:01,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:49:01,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:49:01,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:01,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:49:01,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:49:01,252 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:49:01,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:01,252 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:49:01,252 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_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b 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 -> 971a79888eb045c512b4145d21dcb1a39479e44f2d64b7ae1157d093e7e8caff [2024-12-06 05:49:01,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:49:01,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:49:01,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:49:01,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:49:01,481 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:49:01,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c [2024-12-06 05:49:04,106 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/ddaf0d99e/86264d682e8c4551ae82afc954ea411c/FLAG2298069c7 [2024-12-06 05:49:04,447 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:49:04,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c [2024-12-06 05:49:04,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/ddaf0d99e/86264d682e8c4551ae82afc954ea411c/FLAG2298069c7 [2024-12-06 05:49:04,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/data/ddaf0d99e/86264d682e8c4551ae82afc954ea411c [2024-12-06 05:49:04,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:49:04,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:49:04,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:04,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:49:04,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:49:04,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:04" (1/1) ... [2024-12-06 05:49:04,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4579732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:04, skipping insertion in model container [2024-12-06 05:49:04,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:04" (1/1) ... [2024-12-06 05:49:04,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:49:04,908 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_b8ebeb85-3eff-47d3-845c-5b06588a4658/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c[1176,1189] [2024-12-06 05:49:05,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:05,263 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:49:05,273 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_b8ebeb85-3eff-47d3-845c-5b06588a4658/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop2-func-interl.c[1176,1189] [2024-12-06 05:49:05,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:05,491 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:49:05,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05 WrapperNode [2024-12-06 05:49:05,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:05,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:05,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:49:05,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:49:05,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,707 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3905 [2024-12-06 05:49:05,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:05,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:49:05,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:49:05,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:49:05,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:49:05,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:49:05,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:49:05,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:49:05,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:05" (1/1) ... [2024-12-06 05:49:05,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:05,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:49:05,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:49:05,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:49:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:49:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:49:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:49:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:49:06,477 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:49:06,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:49:10,399 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-12-06 05:49:10,399 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:49:10,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:49:10,493 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:49:10,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:10 BoogieIcfgContainer [2024-12-06 05:49:10,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:49:10,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:49:10,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:49:10,501 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:49:10,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:10" (1/1) ... [2024-12-06 05:49:10,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:49:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:49:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:49:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:49:10,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:10,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:49:10,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:49:10,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:49:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:11,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:49:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:11,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:49:11,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:49:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:49:12,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:49:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:49:12,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:49:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:49:12,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:12,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:49:12,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:49:12,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ebeb85-3eff-47d3-845c-5b06588a4658/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:49:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:14,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:49:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:15,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:49:15,338 INFO L279 TraceCheckSpWp]: Computing forward predicates...