./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.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_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/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_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/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_42106e79-cbf4-45c3-bbd3-9f0345723141/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 dcbae2f9afd0e2f8408815435c508e99d3e45af77f0eceadaff1919c7a96bc0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:57:31,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:57:31,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:57:31,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:57:31,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:57:31,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:57:31,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:57:31,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:57:31,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:57:31,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:57:31,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:57:31,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:57:31,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:57:31,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:57:31,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:57:31,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:57:31,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:31,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:57:31,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:57:31,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:57:31,567 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:57:31,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:57:31,567 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_42106e79-cbf4-45c3-bbd3-9f0345723141/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 -> dcbae2f9afd0e2f8408815435c508e99d3e45af77f0eceadaff1919c7a96bc0d [2024-12-06 05:57:31,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:57:31,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:57:31,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:57:31,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:57:31,788 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:57:31,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c [2024-12-06 05:57:34,478 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/52aed516b/ea9176e5beca4cb9814136fdba377681/FLAGeaea9afc5 [2024-12-06 05:57:34,806 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:57:34,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c [2024-12-06 05:57:34,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/52aed516b/ea9176e5beca4cb9814136fdba377681/FLAGeaea9afc5 [2024-12-06 05:57:34,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/52aed516b/ea9176e5beca4cb9814136fdba377681 [2024-12-06 05:57:34,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:57:34,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:57:34,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:34,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:57:34,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:57:34,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:34" (1/1) ... [2024-12-06 05:57:34,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367c8679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:34, skipping insertion in model container [2024-12-06 05:57:34,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:34" (1/1) ... [2024-12-06 05:57:34,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:57:35,101 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_42106e79-cbf4-45c3-bbd3-9f0345723141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c[1176,1189] [2024-12-06 05:57:35,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:35,523 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:57:35,533 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_42106e79-cbf4-45c3-bbd3-9f0345723141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c[1176,1189] [2024-12-06 05:57:35,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:35,831 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:57:35,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35 WrapperNode [2024-12-06 05:57:35,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:35,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:35,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:57:35,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:57:35,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:35,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:36,611 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12604 [2024-12-06 05:57:36,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:36,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:57:36,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:57:36,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:57:36,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:36,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:36,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:36,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:37,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:37,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:37,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:37,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:37,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:37,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:57:37,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:57:37,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:57:37,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:57:37,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:35" (1/1) ... [2024-12-06 05:57:37,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:37,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:57:37,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:57:37,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:57:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:57:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:57:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:57:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:57:38,269 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:57:38,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:57:58,039 INFO L? ?]: Removed 6953 outVars from TransFormulas that were not future-live. [2024-12-06 05:57:58,039 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:58:13,920 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:58:13,920 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:58:13,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:13 BoogieIcfgContainer [2024-12-06 05:58:13,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:58:13,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:58:13,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:58:13,927 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:58:13,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:13" (1/1) ... [2024-12-06 05:58:13,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:58:13,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:58:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:58:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:58:13,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:13,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:29,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:58:40,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:58:44,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:58:54,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:58:55,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:58:59,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:59:09,419 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 [] [2024-12-06 05:59:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:59:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:59:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:59:09,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:09,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:05:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:06:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:06:08,029 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:06:08,036 INFO L158 Benchmark]: Toolchain (without parser) took 513186.13ms. Allocated memory was 142.6MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 111.0MB in the beginning and 478.1MB in the end (delta: -367.1MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-12-06 06:06:08,037 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:08,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 980.96ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 110.7MB in the beginning and 276.7MB in the end (delta: -166.0MB). Peak memory consumption was 123.3MB. Max. memory is 16.1GB. [2024-12-06 06:06:08,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 779.18ms. Allocated memory was 360.7MB in the beginning and 1.0GB in the end (delta: 679.5MB). Free memory was 276.7MB in the beginning and 755.1MB in the end (delta: -478.4MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. [2024-12-06 06:06:08,039 INFO L158 Benchmark]: Boogie Preprocessor took 952.21ms. Allocated memory is still 1.0GB. Free memory was 755.1MB in the beginning and 666.7MB in the end (delta: 88.5MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2024-12-06 06:06:08,040 INFO L158 Benchmark]: RCFGBuilder took 36355.42ms. Allocated memory was 1.0GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 666.7MB in the beginning and 1.0GB in the end (delta: -354.6MB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-12-06 06:06:08,041 INFO L158 Benchmark]: CodeCheck took 474113.66ms. Allocated memory was 3.3GB in the beginning and 2.4GB in the end (delta: -838.9MB). Free memory was 1.0GB in the beginning and 478.1MB in the end (delta: 543.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:08,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 980.96ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 110.7MB in the beginning and 276.7MB in the end (delta: -166.0MB). Peak memory consumption was 123.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 779.18ms. Allocated memory was 360.7MB in the beginning and 1.0GB in the end (delta: 679.5MB). Free memory was 276.7MB in the beginning and 755.1MB in the end (delta: -478.4MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 952.21ms. Allocated memory is still 1.0GB. Free memory was 755.1MB in the beginning and 666.7MB in the end (delta: 88.5MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. * RCFGBuilder took 36355.42ms. Allocated memory was 1.0GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 666.7MB in the beginning and 1.0GB in the end (delta: -354.6MB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * CodeCheck took 474113.66ms. Allocated memory was 3.3GB in the beginning and 2.4GB in the end (delta: -838.9MB). Free memory was 1.0GB in the beginning and 478.1MB in the end (delta: 543.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:06:08,257 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 06:06:08,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/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_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/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_42106e79-cbf4-45c3-bbd3-9f0345723141/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 dcbae2f9afd0e2f8408815435c508e99d3e45af77f0eceadaff1919c7a96bc0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:06:10,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:10,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 06:06:10,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:10,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:10,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:10,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:10,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:10,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:10,247 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:10,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:06:10,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:10,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:10,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:10,249 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:06:10,249 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:10,249 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:06:10,249 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_42106e79-cbf4-45c3-bbd3-9f0345723141/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 -> dcbae2f9afd0e2f8408815435c508e99d3e45af77f0eceadaff1919c7a96bc0d [2024-12-06 06:06:10,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:10,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:10,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:10,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:10,506 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:10,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c [2024-12-06 06:06:13,148 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/844f79094/4313e7537c844d4581bbdb5a5a9fa850/FLAG74432651b [2024-12-06 06:06:13,469 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:13,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c [2024-12-06 06:06:13,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/844f79094/4313e7537c844d4581bbdb5a5a9fa850/FLAG74432651b [2024-12-06 06:06:13,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/data/844f79094/4313e7537c844d4581bbdb5a5a9fa850 [2024-12-06 06:06:13,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:13,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:13,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:13,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:13,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:13,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38491ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13, skipping insertion in model container [2024-12-06 06:06:13,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:13,951 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_42106e79-cbf4-45c3-bbd3-9f0345723141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c[1176,1189] [2024-12-06 06:06:14,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:14,325 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:14,333 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_42106e79-cbf4-45c3-bbd3-9f0345723141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-back-serstep.c[1176,1189] [2024-12-06 06:06:14,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:14,553 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:14,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14 WrapperNode [2024-12-06 06:06:14,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:14,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:14,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:14,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:14,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,774 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4028 [2024-12-06 06:06:14,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:14,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:14,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:14,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:14,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:14,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:14,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:14,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:14,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14" (1/1) ... [2024-12-06 06:06:14,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:14,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:14,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:14,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:06:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:06:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:14,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:15,586 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:15,587 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:22,501 INFO L? ?]: Removed 405 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:22,501 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:22,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:22,582 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:06:22,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:22 BoogieIcfgContainer [2024-12-06 06:06:22,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:22,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:22,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:22,590 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:22,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:22" (1/1) ... [2024-12-06 06:06:22,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:06:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:06:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:06:22,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:22,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:22,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:22,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:22,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:06:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:23,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:24,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:06:24,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:24,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:06:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 06:06:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 06:06:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:06:25,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:25,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:25,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:25,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:25,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42106e79-cbf4-45c3-bbd3-9f0345723141/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:06:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:27,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:28,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-12-06 06:06:28,550 INFO L279 TraceCheckSpWp]: Computing forward predicates...