./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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 e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:22:26,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:22:26,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:22:26,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:22:26,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:22:26,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:22:26,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:22:26,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:22:26,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:22:26,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:22:26,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:22:26,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:22:26,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:22:26,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:22:26,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:22:26,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:22:26,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:22:26,939 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:22:26,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:22:26,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:22:26,940 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:22:26,940 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:22:26,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:22:26,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:22:26,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:26,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:22:26,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:22:26,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:22:26,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:22:26,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:22:26,942 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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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 -> e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 [2024-11-13 23:22:27,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:22:27,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:22:27,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:22:27,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:22:27,283 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:22:27,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 23:22:29,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:22:29,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:22:29,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c [2024-11-13 23:22:29,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data/e15c3ee21/8f048a17543c474d87701b55651e6903/FLAGbc3fa7533 [2024-11-13 23:22:29,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data/e15c3ee21/8f048a17543c474d87701b55651e6903 [2024-11-13 23:22:29,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:22:29,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:22:29,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:29,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:22:29,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:22:29,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:29" (1/1) ... [2024-11-13 23:22:29,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291b03cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:29, skipping insertion in model container [2024-11-13 23:22:29,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:29" (1/1) ... [2024-11-13 23:22:29,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:22:30,155 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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-13 23:22:30,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:30,831 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:22:30,845 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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-13 23:22:31,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:31,195 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:31,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31 WrapperNode [2024-11-13 23:22:31,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:31,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:31,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:31,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:31,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:31,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:32,479 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9370 [2024-11-13 23:22:32,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:32,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:32,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:32,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:32,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:32,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:32,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:32,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:33,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:33,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:33,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:33,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:34,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:34,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:34,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:34,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:34,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2024-11-13 23:22:34,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:34,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:34,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:34,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:22:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:34,999 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:35,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:49,499 INFO L? ?]: Removed 5167 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:49,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:23:07,968 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:23:07,968 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:23:07,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:07 BoogieIcfgContainer [2024-11-13 23:23:07,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:23:07,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:23:07,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:23:07,982 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:23:07,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:07" (1/1) ... [2024-11-13 23:23:07,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:23:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:23:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:23:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:23:08,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:08,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:10,944 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 23:23:21,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:23:31,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:23:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:23:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:23:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:23:31,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:38,161 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 23:25:38,166 INFO L158 Benchmark]: Toolchain (without parser) took 188397.45ms. Allocated memory was 142.6MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 112.8MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-13 23:25:38,166 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:38,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.05ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 57.0MB in the end (delta: 55.8MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2024-11-13 23:25:38,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 1281.25ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 56.8MB in the beginning and 141.7MB in the end (delta: -84.9MB). Peak memory consumption was 175.6MB. Max. memory is 16.1GB. [2024-11-13 23:25:38,168 INFO L158 Benchmark]: Boogie Preprocessor took 1610.47ms. Allocated memory was 335.5MB in the beginning and 704.6MB in the end (delta: 369.1MB). Free memory was 141.2MB in the beginning and 454.3MB in the end (delta: -313.1MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-13 23:25:38,168 INFO L158 Benchmark]: RCFGBuilder took 33876.69ms. Allocated memory was 704.6MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 454.3MB in the beginning and 3.1GB in the end (delta: -2.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 23:25:38,169 INFO L158 Benchmark]: CodeCheck took 150194.38ms. Allocated memory is still 4.3GB. Free memory was 3.1GB in the beginning and 2.6GB in the end (delta: 508.6MB). Peak memory consumption was 518.9MB. Max. memory is 16.1GB. [2024-11-13 23:25:38,171 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.05ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 57.0MB in the end (delta: 55.8MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1281.25ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 56.8MB in the beginning and 141.7MB in the end (delta: -84.9MB). Peak memory consumption was 175.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1610.47ms. Allocated memory was 335.5MB in the beginning and 704.6MB in the end (delta: 369.1MB). Free memory was 141.2MB in the beginning and 454.3MB in the end (delta: -313.1MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * RCFGBuilder took 33876.69ms. Allocated memory was 704.6MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 454.3MB in the beginning and 3.1GB in the end (delta: -2.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 150194.38ms. Allocated memory is still 4.3GB. Free memory was 3.1GB in the beginning and 2.6GB in the end (delta: 508.6MB). Peak memory consumption was 518.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:25:38,382 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 23:25:38,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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 e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:41,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:41,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:25:41,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:41,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:41,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:41,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:41,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:41,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:41,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:41,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:41,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:41,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:41,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:41,284 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:41,284 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:41,284 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:25:41,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:41,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:41,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:41,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:41,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:41,285 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:25:41,285 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:41,285 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:25:41,285 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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/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 -> e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 [2024-11-13 23:25:41,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:41,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:41,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:41,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:41,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:41,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 23:25:43,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:43,995 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:43,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c [2024-11-13 23:25:44,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data/c314ac9be/524983eabad44ab9b629e0389c04fe1f/FLAGc403ac823 [2024-11-13 23:25:44,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/data/c314ac9be/524983eabad44ab9b629e0389c04fe1f [2024-11-13 23:25:44,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:44,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:44,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:44,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:44,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:44,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:44" (1/1) ... [2024-11-13 23:25:44,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6214bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:44, skipping insertion in model container [2024-11-13 23:25:44,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:44" (1/1) ... [2024-11-13 23:25:44,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:44,309 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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-13 23:25:44,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:44,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:44,806 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_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-13 23:25:45,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:45,063 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:45,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45 WrapperNode [2024-11-13 23:25:45,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:45,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:45,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:45,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:45,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,305 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2830 [2024-11-13 23:25:45,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:45,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:45,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:45,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:45,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:45,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:45,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:45,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:45,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:45" (1/1) ... [2024-11-13 23:25:45,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:45,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:45,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:25:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:46,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:46,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:52,003 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:52,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:52,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:52,150 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:25:52,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:52 BoogieIcfgContainer [2024-11-13 23:25:52,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:52,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:52,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:52,169 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:52,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:52" (1/1) ... [2024-11-13 23:25:52,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:25:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:25:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:25:52,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:52,262 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:52,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:25:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:25:53,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:53,760 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 23:25:53,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:25:55,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:25:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:25:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:25:55,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:55,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:55,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:55,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:55,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d4757c3-9e20-4a27-bc2e-fc3d2eee0ac1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:25:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:57,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:58,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:25:58,583 INFO L278 TraceCheckSpWp]: Computing forward predicates...