./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.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_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/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_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/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_b0079909-5a5d-44c1-9100-f7fe172d0865/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 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:05:52,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:05:52,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:05:52,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:05:52,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:05:52,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:05:52,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:05:52,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:05:52,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:05:52,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:05:52,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:05:52,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:05:52,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:05:52,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:05:52,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:05:52,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:05:52,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:05:52,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:05:52,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:52,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:05:52,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:05:52,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:05:52,108 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:05:52,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:05:52,109 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_b0079909-5a5d-44c1-9100-f7fe172d0865/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 -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-12-06 00:05:52,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:05:52,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:05:52,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:05:52,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:05:52,322 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:05:52,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-12-06 00:05:54,920 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/00ce6ee2b/4bc31982f6f64ca6baf2fa2046968e83/FLAG9e6e7896b [2024-12-06 00:05:55,110 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:05:55,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-12-06 00:05:55,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/00ce6ee2b/4bc31982f6f64ca6baf2fa2046968e83/FLAG9e6e7896b [2024-12-06 00:05:55,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/00ce6ee2b/4bc31982f6f64ca6baf2fa2046968e83 [2024-12-06 00:05:55,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:05:55,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:05:55,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:55,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:05:55,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:05:55,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55, skipping insertion in model container [2024-12-06 00:05:55,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:05:55,609 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_b0079909-5a5d-44c1-9100-f7fe172d0865/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-12-06 00:05:55,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:55,630 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:05:55,639 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_b0079909-5a5d-44c1-9100-f7fe172d0865/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-12-06 00:05:55,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:55,655 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:05:55,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55 WrapperNode [2024-12-06 00:05:55,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:55,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:55,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:05:55,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:05:55,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,676 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-06 00:05:55,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:55,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:05:55,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:05:55,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:05:55,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,686 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:05:55,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:05:55,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:05:55,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:05:55,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:55,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:05:55,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:05:55,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:05:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:05:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:05:55,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:05:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:05:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:05:55,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:05:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:05:55,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:05:55,783 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:05:55,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:05:55,893 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:05:55,893 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:05:55,921 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:05:55,922 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:05:55,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:05:55 BoogieIcfgContainer [2024-12-06 00:05:55,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:05:55,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:05:55,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:05:55,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:05:55,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:05:55" (1/1) ... [2024-12-06 00:05:55,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:05:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:55,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 00:05:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 00:05:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:05:55,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:55,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:05:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:05:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:56,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:05:56,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 00:05:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-06 00:05:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 00:05:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:05:56,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:56,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:05:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 00:05:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 00:05:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 00:05:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:05:58,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:05:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:05:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:58,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 00:05:58,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 00:06:04,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:06:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 00:06:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 00:06:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:06:05,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:05,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:06:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:10,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 00:06:10,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:29,987 WARN L286 SmtUtils]: Spent 9.77s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:06:38,290 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:06:48,432 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:06:53,678 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:04,310 WARN L286 SmtUtils]: Spent 10.63s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:12,643 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:22,866 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:33,055 WARN L286 SmtUtils]: Spent 10.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 00:09:01,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:09:08,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:09:11,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:09:13,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:09:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 52 transitions. [2024-12-06 00:09:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 00:09:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:09:13,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:23,262 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:09:23,265 INFO L158 Benchmark]: Toolchain (without parser) took 207772.02ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 62.6MB in the end (delta: 55.4MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-12-06 00:09:23,266 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:23,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.63ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 106.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:09:23,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.30ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:23,266 INFO L158 Benchmark]: Boogie Preprocessor took 15.47ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.7MB in the end (delta: 872.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:23,267 INFO L158 Benchmark]: RCFGBuilder took 228.76ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 91.7MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:09:23,267 INFO L158 Benchmark]: CodeCheck took 207342.27ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 62.6MB in the end (delta: 29.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-12-06 00:09:23,268 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.63ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 106.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.30ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.47ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.7MB in the end (delta: 872.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 228.76ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 91.7MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 207342.27ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 62.6MB in the end (delta: 29.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:09:23,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/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_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/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 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:09:25,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:09:25,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:09:25,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:09:25,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:09:25,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:09:25,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:09:25,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:09:25,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:09:25,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:09:25,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:09:25,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:09:25,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:09:25,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:09:25,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:09:25,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:09:25,322 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:09:25,322 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:09:25,323 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:09:25,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:09:25,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:09:25,323 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:09:25,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:09:25,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:09:25,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:09:25,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:09:25,324 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:25,324 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:09:25,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:09:25,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:25,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:09:25,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:09:25,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:09:25,325 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:09:25,325 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:25,325 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:09:25,325 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_b0079909-5a5d-44c1-9100-f7fe172d0865/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 -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-12-06 00:09:25,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:09:25,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:09:25,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:09:25,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:09:25,597 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:09:25,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-12-06 00:09:28,276 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/6ad12062e/baa5b4a44ec44e089f0f3a47473453a5/FLAG98825ab4a [2024-12-06 00:09:28,472 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:09:28,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-12-06 00:09:28,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/6ad12062e/baa5b4a44ec44e089f0f3a47473453a5/FLAG98825ab4a [2024-12-06 00:09:28,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/data/6ad12062e/baa5b4a44ec44e089f0f3a47473453a5 [2024-12-06 00:09:28,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:09:28,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:09:28,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:28,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:09:28,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:09:28,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dca9b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28, skipping insertion in model container [2024-12-06 00:09:28,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:28,677 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_b0079909-5a5d-44c1-9100-f7fe172d0865/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-12-06 00:09:28,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:28,707 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:09:28,719 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_b0079909-5a5d-44c1-9100-f7fe172d0865/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-12-06 00:09:28,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:28,741 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:09:28,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28 WrapperNode [2024-12-06 00:09:28,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:28,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:28,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:09:28,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:09:28,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,773 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-06 00:09:28,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:28,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:09:28,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:09:28,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:09:28,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,789 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:09:28,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:09:28,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:09:28,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:09:28,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:28" (1/1) ... [2024-12-06 00:09:28,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:28,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:09:28,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:09:28,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:09:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:09:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:09:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:09:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:09:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:09:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:09:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:09:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:09:28,916 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:09:28,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:09:29,037 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:09:29,037 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:09:29,080 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:09:29,080 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:09:29,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:29 BoogieIcfgContainer [2024-12-06 00:09:29,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:09:29,082 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:09:29,082 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:09:29,091 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:09:29,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:29" (1/1) ... [2024-12-06 00:09:29,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:09:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 00:09:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 00:09:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:09:29,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:29,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:29,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:29,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:29,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:09:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:29,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:29,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:09:29,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 00:09:29,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:09:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:30,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 35 transitions. [2024-12-06 00:09:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 00:09:30,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:09:30,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:30,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:30,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:30,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:09:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:30,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:30,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:09:30,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 00:09:31,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:09:34,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:09:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 44 transitions. [2024-12-06 00:09:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-12-06 00:09:34,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:09:34,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:34,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:34,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:34,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:34,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:09:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:34,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:35,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 00:09:35,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 00:09:36,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:09:43,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:09:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 31 states and 52 transitions. [2024-12-06 00:09:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-06 00:09:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:09:45,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:45,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:45,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:45,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:45,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:09:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:45,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:46,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:09:46,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 00:09:52,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:10:10,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:10:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 62 transitions. [2024-12-06 00:10:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-12-06 00:10:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:10:12,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:10:12,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:10:12,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:10:12,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:10:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:12,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:10:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:15,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:10:15,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:10:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 00:10:34,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:11:14,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:11:17,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:11:19,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:11:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 38 states and 67 transitions. [2024-12-06 00:11:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 00:11:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:11:19,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:19,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:19,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:19,691 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:19,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:11:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:20,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:23,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:11:23,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:49,639 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:13:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 00:13:04,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 00:13:36,203 WARN L286 SmtUtils]: Spent 21.56s on a formula simplification. DAG size of input: 163 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:13:45,906 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:13:49,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:14:49,252 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:15:17,510 WARN L286 SmtUtils]: Spent 16.66s on a formula simplification. DAG size of input: 303 DAG size of output: 302 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:15:41,130 WARN L286 SmtUtils]: Spent 8.72s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:15:48,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.91s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:15:50,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:15:58,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:16:06,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.66s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:16:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 40 states and 72 transitions. [2024-12-06 00:16:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-12-06 00:16:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:16:07,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:07,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:07,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:07,266 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:07,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0079909-5a5d-44c1-9100-f7fe172d0865/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:16:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:08,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:12,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 00:16:12,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:58,836 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:18:07,529 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:19:42,245 WARN L286 SmtUtils]: Spent 19.63s on a formula simplification that was a NOOP. DAG size: 246 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)