./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/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_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/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 32bit --witnessprinter.graph.data.programhash d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:50:24,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:50:24,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:50:24,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:50:24,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:50:24,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:50:24,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:50:24,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:50:24,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:50:24,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:50:24,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:50:24,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:50:24,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:50:24,571 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:50:24,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:50:24,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:50:24,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:50:24,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:50:24,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:50:24,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:50:24,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:50:24,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:50:24,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:50:24,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:50:24,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:50:24,572 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_78e941cb-d10d-4e76-abc3-c98ae151b9ce/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 [2024-12-06 02:50:24,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:50:24,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:50:24,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:50:24,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:50:24,800 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:50:24,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2024-12-06 02:50:27,477 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/data/429be5591/02bd1db7dee64e27a66b1611233fa769/FLAG41fbacf45 [2024-12-06 02:50:27,638 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:50:27,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2024-12-06 02:50:27,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/data/429be5591/02bd1db7dee64e27a66b1611233fa769/FLAG41fbacf45 [2024-12-06 02:50:27,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/data/429be5591/02bd1db7dee64e27a66b1611233fa769 [2024-12-06 02:50:27,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:50:27,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:50:27,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:50:27,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:50:27,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:50:27,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3ca3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27, skipping insertion in model container [2024-12-06 02:50:27,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:50:27,789 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_78e941cb-d10d-4e76-abc3-c98ae151b9ce/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2024-12-06 02:50:27,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:50:27,812 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:50:27,821 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_78e941cb-d10d-4e76-abc3-c98ae151b9ce/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2024-12-06 02:50:27,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:50:27,839 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:50:27,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27 WrapperNode [2024-12-06 02:50:27,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:50:27,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:50:27,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:50:27,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:50:27,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,864 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-12-06 02:50:27,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:50:27,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:50:27,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:50:27,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:50:27,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,874 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:50:27,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:50:27,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:50:27,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:50:27,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:27" (1/1) ... [2024-12-06 02:50:27,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:50:27,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:50:27,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:50:27,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:50:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:50:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:50:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:50:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:50:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:50:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:50:27,976 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:50:27,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:50:28,080 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:50:28,080 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:50:28,101 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:50:28,102 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:50:28,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:50:28 BoogieIcfgContainer [2024-12-06 02:50:28,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:50:28,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:50:28,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:50:28,113 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:50:28,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:50:28" (1/1) ... [2024-12-06 02:50:28,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:50:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 02:50:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 02:50:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:50:28,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:28,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:28,280 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 02:50:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 02:50:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 02:50:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:50:28,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:28,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:50:28,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:28,460 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 02:50:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 02:50:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 02:50:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:50:28,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:28,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:28,641 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 02:50:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 02:50:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 02:50:28,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:50:28,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:28,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:50:28,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-12-06 02:50:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-12-06 02:50:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:50:28,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:28,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:29,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:50:29,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-06 02:50:29,226 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-06 02:50:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:50:29,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-06 02:50:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 02:50:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:50:29,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:29,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:50:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:30,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 02:50:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 02:50:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:50:30,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:30,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:30,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:50:30,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:50:31,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2024-12-06 02:50:31,733 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-12-06 02:50:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:50:31,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:31,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:31,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:50:31,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:50:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2024-12-06 02:50:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-12-06 02:50:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:50:32,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:32,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:50:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2024-12-06 02:50:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-12-06 02:50:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:50:32,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:32,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:50:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2024-12-06 02:50:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-12-06 02:50:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:50:33,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:33,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:33,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:50:33,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:50:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-12-06 02:50:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-12-06 02:50:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:50:34,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:34,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:34,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:50:34,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:50:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2024-12-06 02:50:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2024-12-06 02:50:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:50:35,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:50:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 66 states and 123 transitions. [2024-12-06 02:50:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2024-12-06 02:50:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:50:36,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:36,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 02:50:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2024-12-06 02:50:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2024-12-06 02:50:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:50:36,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:36,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:36,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:50:36,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:50:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2024-12-06 02:50:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2024-12-06 02:50:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:50:38,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:38,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:39,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:50:39,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 02:50:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 79 states and 151 transitions. [2024-12-06 02:50:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2024-12-06 02:50:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:50:39,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:39,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 02:50:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 83 states and 158 transitions. [2024-12-06 02:50:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 158 transitions. [2024-12-06 02:50:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:50:40,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:40,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 02:50:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 160 transitions. [2024-12-06 02:50:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2024-12-06 02:50:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:50:41,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:41,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:50:41,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:50:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 93 states and 179 transitions. [2024-12-06 02:50:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2024-12-06 02:50:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:50:43,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:43,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 02:50:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 45 states and 71 transitions. [2024-12-06 02:50:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2024-12-06 02:50:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:50:48,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:48,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:50:48,931 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:50:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:50:48,966 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2024-12-06 02:50:48,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:50:48 ImpRootNode [2024-12-06 02:50:48,998 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:50:48,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:50:48,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:50:48,999 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:50:49,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:50:28" (3/4) ... [2024-12-06 02:50:49,001 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:50:49,044 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 29. [2024-12-06 02:50:49,103 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:50:49,104 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:50:49,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:50:49,105 INFO L158 Benchmark]: Toolchain (without parser) took 21442.76ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 92.4MB in the beginning and 149.6MB in the end (delta: -57.2MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-12-06 02:50:49,105 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:50:49,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.81ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:50:49,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.55ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:50:49,106 INFO L158 Benchmark]: Boogie Preprocessor took 16.54ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 740.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:50:49,106 INFO L158 Benchmark]: RCFGBuilder took 220.60ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 68.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:50:49,107 INFO L158 Benchmark]: CodeCheck took 20895.44ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 68.7MB in the beginning and 155.6MB in the end (delta: -87.0MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-06 02:50:49,107 INFO L158 Benchmark]: Witness Printer took 104.98ms. Allocated memory is still 209.7MB. Free memory was 155.6MB in the beginning and 149.6MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:50:49,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1545 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 927 mSDsluCounter, 1513 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 923 mSDsCounter, 2049 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5831 IncrementalHoareTripleChecker+Invalid, 7880 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2049 mSolverCounterUnsat, 590 mSDtfsCounter, 5831 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5048 GetRequests, 4569 SyntacticMatches, 119 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63082 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 1793 SizeOfPredicates, 12 NumberOfNonLiveVariables, 920 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 423/693 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [c=0, counter=0, k=7, x=0, y=0] [L27] EXPR counter++ VAL [c=0, counter=1, k=7, x=0, y=0] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=0, counter=1, k=7, x=0, y=0] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=1, counter=1, k=7, x=1, y=1] [L27] EXPR counter++ VAL [c=1, counter=2, k=7, x=1, y=1] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=1, counter=2, k=7, x=1, y=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=2, counter=2, k=7, x=9, y=2] [L27] EXPR counter++ VAL [c=2, counter=3, k=7, x=9, y=2] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=2, counter=3, k=7, x=9, y=2] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=3, counter=3, k=7, x=36, y=3] [L27] EXPR counter++ VAL [c=3, counter=4, k=7, x=36, y=3] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=3, counter=4, k=7, x=36, y=3] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=4, counter=4, k=7, x=100, y=4] [L27] EXPR counter++ VAL [c=4, counter=5, k=7, x=100, y=4] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=4, counter=5, k=7, x=100, y=4] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=5, counter=5, k=7, x=225, y=5] [L27] EXPR counter++ VAL [c=5, counter=6, k=7, x=225, y=5] [L27] COND FALSE !(counter++<5) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) VAL [\old(cond)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.81ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.55ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.54ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 740.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 220.60ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 68.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 20895.44ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 68.7MB in the beginning and 155.6MB in the end (delta: -87.0MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 104.98ms. Allocated memory is still 209.7MB. Free memory was 155.6MB in the beginning and 149.6MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:50:49,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e941cb-d10d-4e76-abc3-c98ae151b9ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE