./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:46:06,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:46:06,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:46:06,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:46:06,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:46:06,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:46:06,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:46:06,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:46:06,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:46:06,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:46:06,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:46:06,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:46:06,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:46:06,446 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:46:06,447 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:46:06,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:46:06,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:46:06,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:46:06,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:46:06,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:46:06,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:46:06,447 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:46:06,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:46:06,448 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_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 [2024-12-05 23:46:06,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:46:06,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:46:06,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:46:06,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:46:06,727 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:46:06,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2024-12-05 23:46:09,415 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/2402a617e/60095f0f7b8b4706ac3415bf7c3e31c1/FLAG222c3e21a [2024-12-05 23:46:09,668 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:46:09,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2024-12-05 23:46:09,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/2402a617e/60095f0f7b8b4706ac3415bf7c3e31c1/FLAG222c3e21a [2024-12-05 23:46:09,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/2402a617e/60095f0f7b8b4706ac3415bf7c3e31c1 [2024-12-05 23:46:09,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:46:09,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:46:09,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:46:09,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:46:09,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:46:09,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5c3a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09, skipping insertion in model container [2024-12-05 23:46:09,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:46:09,895 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_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:46:10,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:46:10,069 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:46:10,078 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_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:46:10,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:46:10,192 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:46:10,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10 WrapperNode [2024-12-05 23:46:10,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:46:10,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:46:10,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:46:10,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:46:10,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,426 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-12-05 23:46:10,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:46:10,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:46:10,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:46:10,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:46:10,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,534 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:46:10,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:46:10,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:46:10,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:46:10,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:10" (1/1) ... [2024-12-05 23:46:10,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:46:10,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:46:10,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:46:10,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:46:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:46:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:46:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:46:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:46:10,891 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:46:10,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:46:13,436 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-12-05 23:46:13,436 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:46:16,032 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:46:16,033 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:46:16,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:16 BoogieIcfgContainer [2024-12-05 23:46:16,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:46:16,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:46:16,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:46:16,043 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:46:16,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:16" (1/1) ... [2024-12-05 23:46:16,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:46:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:46:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:46:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:46:16,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:16,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:46:27,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:37,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:46:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:46:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:46:38,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:38,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:46:45,108 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:46:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:47:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:00,574 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:47:00,578 INFO L158 Benchmark]: Toolchain (without parser) took 50881.89ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 872.4MB). Free memory was 117.0MB in the beginning and 481.4MB in the end (delta: -364.5MB). Peak memory consumption was 508.0MB. Max. memory is 16.1GB. [2024-12-05 23:47:00,578 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:47:00,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.14ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 87.1MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:47:00,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 232.60ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 89.1MB in the end (delta: -2.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-12-05 23:47:00,579 INFO L158 Benchmark]: Boogie Preprocessor took 224.54ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 72.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:47:00,580 INFO L158 Benchmark]: RCFGBuilder took 5381.18ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 72.3MB in the beginning and 197.0MB in the end (delta: -124.7MB). Peak memory consumption was 234.4MB. Max. memory is 16.1GB. [2024-12-05 23:47:00,580 INFO L158 Benchmark]: CodeCheck took 44543.07ms. Allocated memory was 394.3MB in the beginning and 1.0GB in the end (delta: 620.8MB). Free memory was 197.0MB in the beginning and 481.4MB in the end (delta: -284.4MB). Peak memory consumption was 336.0MB. Max. memory is 16.1GB. [2024-12-05 23:47:00,582 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.14ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 87.1MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 232.60ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 89.1MB in the end (delta: -2.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.54ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 72.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5381.18ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 72.3MB in the beginning and 197.0MB in the end (delta: -124.7MB). Peak memory consumption was 234.4MB. Max. memory is 16.1GB. * CodeCheck took 44543.07ms. Allocated memory was 394.3MB in the beginning and 1.0GB in the end (delta: 620.8MB). Free memory was 197.0MB in the beginning and 481.4MB in the end (delta: -284.4MB). Peak memory consumption was 336.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:47:00,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:47:02,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:47:02,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:47:02,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:47:02,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:47:02,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:47:02,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:47:02,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:47:02,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:47:02,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:47:02,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:47:02,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:47:02,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:47:02,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:47:02,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:47:02,812 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:02,813 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:47:02,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:47:02,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:02,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:47:02,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:47:02,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:47:02,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:47:02,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:02,813 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:47:02,814 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_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 [2024-12-05 23:47:03,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:47:03,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:47:03,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:47:03,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:47:03,070 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:47:03,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2024-12-05 23:47:05,892 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/c5c04e27c/409b815b60f24ba18153eaed46150a72/FLAG5f0681fb0 [2024-12-05 23:47:06,127 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:47:06,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2024-12-05 23:47:06,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/c5c04e27c/409b815b60f24ba18153eaed46150a72/FLAG5f0681fb0 [2024-12-05 23:47:06,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/data/c5c04e27c/409b815b60f24ba18153eaed46150a72 [2024-12-05 23:47:06,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:47:06,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:47:06,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:06,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:47:06,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:47:06,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdb1308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06, skipping insertion in model container [2024-12-05 23:47:06,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:47:06,611 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_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:47:06,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:06,760 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:47:06,769 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_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:47:06,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:06,860 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:47:06,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06 WrapperNode [2024-12-05 23:47:06,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:06,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:06,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:47:06,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:47:06,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,920 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-12-05 23:47:06,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:06,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:47:06,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:47:06,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:47:06,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,954 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:47:06,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:47:06,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:47:06,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:47:06,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:06" (1/1) ... [2024-12-05 23:47:06,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:06,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:47:07,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:47:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:47:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:47:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:47:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:47:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:47:07,209 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:47:07,211 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:47:07,867 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-05 23:47:07,867 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:47:07,906 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:47:07,906 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:47:07,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:07 BoogieIcfgContainer [2024-12-05 23:47:07,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:47:07,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:47:07,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:47:07,916 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:47:07,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:07" (1/1) ... [2024-12-05 23:47:07,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:47:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:47:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:47:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:47:07,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:07,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:47:07,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:47:07,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:47:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:08,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:47:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:08,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:47:08,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:47:08,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:47:08,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:08,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:47:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:47:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:47:08,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:08,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:08,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:47:08,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:47:08,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd280d9b-7ac8-48a5-b870-7e6d71f4117f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:47:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:09,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:47:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:09,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 23:47:09,186 INFO L279 TraceCheckSpWp]: Computing forward predicates...