./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.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_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3 --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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:15:56,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:15:56,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:15:56,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:15:56,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:15:56,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:15:56,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:15:56,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:15:56,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:15:56,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:15:56,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:15:56,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:15:56,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:15:56,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:15:56,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:15:56,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:15:56,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:15:56,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:15:56,824 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:15:56,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:15:56,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:15:56,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:15:56,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:15:56,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:15:56,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:56,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:15:56,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:15:56,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:15:56,825 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:15:56,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:15:56,825 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_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3 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 -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-11-25 02:15:57,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:15:57,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:15:57,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:15:57,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:15:57,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:15:57,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-25 02:16:00,173 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/c2f7397f8/f6f60033b31445389f6c1589d95296d1/FLAG7da90b73b [2024-11-25 02:16:00,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:16:00,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-25 02:16:00,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/c2f7397f8/f6f60033b31445389f6c1589d95296d1/FLAG7da90b73b [2024-11-25 02:16:00,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/c2f7397f8/f6f60033b31445389f6c1589d95296d1 [2024-11-25 02:16:00,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:16:00,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:16:00,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:16:00,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:16:00,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:16:00,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:16:00" (1/1) ... [2024-11-25 02:16:00,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7537a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:00, skipping insertion in model container [2024-11-25 02:16:00,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:16:00" (1/1) ... [2024-11-25 02:16:00,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:16:00,927 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_3184a247-1773-441e-b6a6-e3a5c9366bf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-25 02:16:01,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:16:01,336 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:16:01,346 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_3184a247-1773-441e-b6a6-e3a5c9366bf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-25 02:16:01,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:16:01,590 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:16:01,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01 WrapperNode [2024-11-25 02:16:01,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:16:01,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:16:01,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:16:01,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:16:01,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:01,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,168 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4298 [2024-11-25 02:16:02,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:16:02,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:16:02,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:16:02,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:16:02,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,524 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:16:02,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:16:02,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:16:02,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:16:02,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:01" (1/1) ... [2024-11-25 02:16:02,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:16:02,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:16:02,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:16:02,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:16:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:16:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:16:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:16:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:16:03,381 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:16:03,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:16:09,665 INFO L? ?]: Removed 2420 outVars from TransFormulas that were not future-live. [2024-11-25 02:16:09,666 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:16:16,820 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:16:16,820 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:16:16,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:16:16 BoogieIcfgContainer [2024-11-25 02:16:16,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:16:16,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:16:16,822 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:16:16,832 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:16:16,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:16:16" (1/1) ... [2024-11-25 02:16:16,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:16:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:16:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:16:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:16:16,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:16,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:16:32,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:42,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:43,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:46,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:49,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:49,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 02:16:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 02:16:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:16:49,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:49,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:17:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:17:23,734 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:17:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:18:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:07,247 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:18:07,252 INFO L158 Benchmark]: Toolchain (without parser) took 126585.87ms. Allocated memory was 142.6MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 117.2MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 738.7MB. Max. memory is 16.1GB. [2024-11-25 02:18:07,253 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:18:07,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.16ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 98.1MB in the end (delta: 18.9MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-25 02:18:07,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 576.39ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 98.1MB in the beginning and 313.0MB in the end (delta: -214.9MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2024-11-25 02:18:07,255 INFO L158 Benchmark]: Boogie Preprocessor took 653.32ms. Allocated memory is still 427.8MB. Free memory was 313.0MB in the beginning and 303.4MB in the end (delta: 9.6MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-25 02:18:07,255 INFO L158 Benchmark]: RCFGBuilder took 13996.15ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 889.2MB). Free memory was 303.4MB in the beginning and 1.1GB in the end (delta: -765.9MB). Peak memory consumption was 920.3MB. Max. memory is 16.1GB. [2024-11-25 02:18:07,256 INFO L158 Benchmark]: CodeCheck took 110429.70ms. Allocated memory was 1.3GB in the beginning and 3.1GB in the end (delta: 1.8GB). Free memory was 1.1GB in the beginning and 2.4GB in the end (delta: -1.3GB). Peak memory consumption was 517.5MB. Max. memory is 16.1GB. [2024-11-25 02:18:07,258 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.16ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 98.1MB in the end (delta: 18.9MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 576.39ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 98.1MB in the beginning and 313.0MB in the end (delta: -214.9MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 653.32ms. Allocated memory is still 427.8MB. Free memory was 313.0MB in the beginning and 303.4MB in the end (delta: 9.6MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * RCFGBuilder took 13996.15ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 889.2MB). Free memory was 303.4MB in the beginning and 1.1GB in the end (delta: -765.9MB). Peak memory consumption was 920.3MB. Max. memory is 16.1GB. * CodeCheck took 110429.70ms. Allocated memory was 1.3GB in the beginning and 3.1GB in the end (delta: 1.8GB). Free memory was 1.1GB in the beginning and 2.4GB in the end (delta: -1.3GB). Peak memory consumption was 517.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:18:07,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/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_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3 --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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:18:10,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:18:10,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:18:10,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:18:10,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:18:10,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:18:10,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:18:10,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:18:10,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:18:10,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:18:10,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:18:10,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:18:10,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:18:10,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:18:10,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:18:10,221 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:18:10,221 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:18:10,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:18:10,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:18:10,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:18:10,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:18:10,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:18:10,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:18:10,222 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:10,222 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:18:10,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:18:10,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:10,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:18:10,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:18:10,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:18:10,224 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:18:10,224 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:10,224 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:18:10,224 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_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3 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 -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-11-25 02:18:10,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:18:10,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:18:10,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:18:10,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:18:10,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:18:10,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-25 02:18:13,624 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/fdec491fc/c37506df7eef4451b80564f977fd01f0/FLAG567b54d5f [2024-11-25 02:18:14,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:18:14,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-25 02:18:14,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/fdec491fc/c37506df7eef4451b80564f977fd01f0/FLAG567b54d5f [2024-11-25 02:18:14,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/data/fdec491fc/c37506df7eef4451b80564f977fd01f0 [2024-11-25 02:18:14,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:18:14,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:18:14,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:14,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:18:14,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:18:14,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:14" (1/1) ... [2024-11-25 02:18:14,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4478efb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:14, skipping insertion in model container [2024-11-25 02:18:14,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:14" (1/1) ... [2024-11-25 02:18:14,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:18:14,456 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_3184a247-1773-441e-b6a6-e3a5c9366bf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-25 02:18:14,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:14,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:18:14,841 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_3184a247-1773-441e-b6a6-e3a5c9366bf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-25 02:18:15,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:15,032 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:18:15,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15 WrapperNode [2024-11-25 02:18:15,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:15,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:15,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:18:15,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:18:15,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,162 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1554 [2024-11-25 02:18:15,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:15,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:18:15,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:18:15,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:18:15,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:18:15,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:18:15,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:18:15,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:18:15,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:15" (1/1) ... [2024-11-25 02:18:15,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:18:15,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:18:15,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:18:15,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:18:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:18:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:18:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:18:15,773 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:18:15,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:18:17,933 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-25 02:18:17,933 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:18:18,018 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:18:18,018 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:18:18,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:18 BoogieIcfgContainer [2024-11-25 02:18:18,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:18:18,020 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:18:18,020 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:18:18,029 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:18:18,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:18" (1/1) ... [2024-11-25 02:18:18,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:18:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:18:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:18:18,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:18:18,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:18,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:18,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:18,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:18:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:18,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:19,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:18:19,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:19,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:18:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:18:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:18:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:18:19,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:19,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:19,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:19,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3184a247-1773-441e-b6a6-e3a5c9366bf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:18:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:20,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:21,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:18:21,072 INFO L279 TraceCheckSpWp]: Computing forward predicates...