./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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 be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:12:42,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:12:42,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:12:42,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:12:42,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:12:42,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:12:42,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:12:42,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:12:42,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:12:42,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:12:42,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:12:42,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:12:42,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:12:42,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:12:42,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:12:42,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:12:42,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:12:42,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:12:42,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:12:42,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:12:42,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:12:42,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:12:42,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:12:42,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:12:42,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:42,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:12:42,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:12:42,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:12:42,899 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:12:42,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:12:42,899 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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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 -> be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 [2024-11-13 22:12:43,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:12:43,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:12:43,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:12:43,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:12:43,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:12:43,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:12:45,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:12:45,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:12:45,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-11-13 22:12:45,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data/2618503a9/52c7f449858f4380be7b971a65c706e0/FLAG4132643be [2024-11-13 22:12:45,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data/2618503a9/52c7f449858f4380be7b971a65c706e0 [2024-11-13 22:12:45,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:12:45,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:12:45,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:45,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:12:45,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:12:45,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:45" (1/1) ... [2024-11-13 22:12:45,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5417085d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:45, skipping insertion in model container [2024-11-13 22:12:45,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:45" (1/1) ... [2024-11-13 22:12:45,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:12:46,075 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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-13 22:12:46,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:46,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:12:46,600 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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-13 22:12:46,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:46,922 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:12:46,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46 WrapperNode [2024-11-13 22:12:46,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:46,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:46,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:12:46,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:12:46,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:47,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:47,952 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6833 [2024-11-13 22:12:47,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:47,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:12:47,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:12:47,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:12:47,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:47,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:12:48,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:12:48,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:12:48,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:12:48,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:48,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:48,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:12:48,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:12:48,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:12:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:12:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:12:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:12:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:12:49,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:12:49,684 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:00,746 INFO L? ?]: Removed 3809 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:00,747 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:15,164 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:15,164 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:13:15,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:15 BoogieIcfgContainer [2024-11-13 22:13:15,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:15,166 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:15,166 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:15,178 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:15,178 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:15" (1/1) ... [2024-11-13 22:13:15,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:13:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:13:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:13:15,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:15,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:13:28,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:13:38,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:13:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:13:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:13:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:13:39,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:21,034 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:15:21,044 INFO L158 Benchmark]: Toolchain (without parser) took 155293.31ms. Allocated memory was 117.4MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 91.6MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 448.1MB. Max. memory is 16.1GB. [2024-11-13 22:15:21,045 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 103.9MB in the end (delta: 209.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:15:21,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1175.39ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 49.6MB in the end (delta: 42.0MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2024-11-13 22:15:21,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 1028.01ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 49.5MB in the beginning and 128.5MB in the end (delta: -79.0MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2024-11-13 22:15:21,046 INFO L158 Benchmark]: Boogie Preprocessor took 957.39ms. Allocated memory is still 285.2MB. Free memory was 128.5MB in the beginning and 92.9MB in the end (delta: 35.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 22:15:21,047 INFO L158 Benchmark]: RCFGBuilder took 26253.73ms. Allocated memory was 285.2MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 92.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-13 22:15:21,047 INFO L158 Benchmark]: CodeCheck took 125872.56ms. Allocated memory is still 3.9GB. Free memory was 3.3GB in the beginning and 3.4GB in the end (delta: -71.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:15:21,051 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 0.40ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 103.9MB in the end (delta: 209.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1175.39ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 49.6MB in the end (delta: 42.0MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1028.01ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 49.5MB in the beginning and 128.5MB in the end (delta: -79.0MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 957.39ms. Allocated memory is still 285.2MB. Free memory was 128.5MB in the beginning and 92.9MB in the end (delta: 35.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * RCFGBuilder took 26253.73ms. Allocated memory was 285.2MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 92.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 125872.56ms. Allocated memory is still 3.9GB. Free memory was 3.3GB in the beginning and 3.4GB in the end (delta: -71.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:15:21,274 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:15:21,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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 be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:15:24,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:15:24,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:15:24,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:15:24,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:15:24,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:15:24,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:15:24,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:15:24,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:15:24,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:15:24,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:15:24,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:15:24,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:15:24,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:15:24,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:15:24,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:15:24,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:15:24,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:15:24,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:15:24,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:15:24,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:15:24,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:15:24,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:15:24,346 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:24,347 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:15:24,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:15:24,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:15:24,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:15:24,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:15:24,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:15:24,348 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:15:24,348 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:24,349 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:15:24,349 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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/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 -> be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 [2024-11-13 22:15:24,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:15:24,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:15:24,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:15:24,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:15:24,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:15:24,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:15:26,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:15:27,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:15:27,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-11-13 22:15:27,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data/033b8e539/a116ce91829c4a26b979a1267d1f7458/FLAG391be6f1c [2024-11-13 22:15:27,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/data/033b8e539/a116ce91829c4a26b979a1267d1f7458 [2024-11-13 22:15:27,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:15:27,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:15:27,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:15:27,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:15:27,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:15:27,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:15:27" (1/1) ... [2024-11-13 22:15:27,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d37571d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:27, skipping insertion in model container [2024-11-13 22:15:27,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:15:27" (1/1) ... [2024-11-13 22:15:27,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:15:27,880 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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-13 22:15:28,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:15:28,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:15:28,397 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_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-13 22:15:28,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:15:28,729 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:15:28,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28 WrapperNode [2024-11-13 22:15:28,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:15:28,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:28,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:15:28,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:15:28,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:28,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:28,957 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2089 [2024-11-13 22:15:28,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:28,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:15:28,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:15:28,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:15:28,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:28,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:15:29,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:15:29,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:15:29,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:15:29,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:28" (1/1) ... [2024-11-13 22:15:29,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:15:29,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:15:29,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:15:29,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:15:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:15:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:15:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:15:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:15:29,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:15:29,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:15:33,167 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-13 22:15:33,167 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:15:33,283 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:15:33,284 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:15:33,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:33 BoogieIcfgContainer [2024-11-13 22:15:33,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:15:33,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:15:33,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:15:33,301 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:15:33,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:15:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:15:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:15:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:15:33,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:33,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:33,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:33,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:15:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:34,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:34,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:15:34,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:34,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:15:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:15:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:15:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:15:35,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:35,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:35,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:35,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:35,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ac3ac7-ba1b-48c3-b8cb-fbebd7df325a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:15:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:36,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:37,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:15:37,321 INFO L278 TraceCheckSpWp]: Computing forward predicates...