./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.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_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/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_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/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_f00701f4-d820-4e3f-99aa-81df25551d36/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 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:53:32,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:53:32,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:53:32,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:53:32,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:53:32,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:53:32,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:53:32,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:53:32,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:53:32,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:53:32,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:53:32,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:53:32,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:53:32,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:53:32,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:53:32,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:53:32,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:53:32,463 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_f00701f4-d820-4e3f-99aa-81df25551d36/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 -> 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 [2024-12-05 23:53:32,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:53:32,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:53:32,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:53:32,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:53:32,665 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:53:32,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2024-12-05 23:53:35,233 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/data/bbed2a85c/538036cc54324ea4a2200240f1b9f75c/FLAG124e431f0 [2024-12-05 23:53:35,454 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:53:35,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2024-12-05 23:53:35,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/data/bbed2a85c/538036cc54324ea4a2200240f1b9f75c/FLAG124e431f0 [2024-12-05 23:53:35,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/data/bbed2a85c/538036cc54324ea4a2200240f1b9f75c [2024-12-05 23:53:35,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:53:35,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:53:35,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:53:35,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:53:35,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:53:35,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:35,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47dc35bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35, skipping insertion in model container [2024-12-05 23:53:35,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:35,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:53:35,941 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_f00701f4-d820-4e3f-99aa-81df25551d36/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c[524,537] [2024-12-05 23:53:35,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:53:35,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:53:35,971 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_f00701f4-d820-4e3f-99aa-81df25551d36/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c[524,537] [2024-12-05 23:53:35,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:53:35,992 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:53:35,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35 WrapperNode [2024-12-05 23:53:35,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:53:35,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:53:35,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:53:35,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:53:36,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,017 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-12-05 23:53:36,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:53:36,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:53:36,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:53:36,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:53:36,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:53:36,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:53:36,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:53:36,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:53:36,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:35" (1/1) ... [2024-12-05 23:53:36,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:53:36,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:53:36,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:53:36,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00701f4-d820-4e3f-99aa-81df25551d36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:53:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:53:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:53:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:53:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:53:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:53:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:53:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:53:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:53:36,121 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:53:36,122 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:53:36,248 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 23:53:36,248 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:53:36,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:53:36,322 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:53:36,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:36 BoogieIcfgContainer [2024-12-05 23:53:36,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:53:36,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:53:36,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:53:36,330 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:53:36,330 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:36" (1/1) ... [2024-12-05 23:53:36,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:53:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-05 23:53:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-05 23:53:36,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:53:36,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:36,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:36,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:53:36,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:53:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 32 transitions. [2024-12-05 23:53:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-05 23:53:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:53:36,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:36,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:36,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:53:36,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:53:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:37,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 44 transitions. [2024-12-05 23:53:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-12-05 23:53:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:53:37,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:37,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:37,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 23:53:37,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:53:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 51 transitions. [2024-12-05 23:53:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-12-05 23:53:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:53:39,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:39,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:39,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:53:39,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 23:53:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 53 transitions. [2024-12-05 23:53:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-05 23:53:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:53:39,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:39,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:39,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 23:53:39,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:53:47,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 69 transitions. [2024-12-05 23:53:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2024-12-05 23:53:47,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:53:47,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:47,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:53:47,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 23:54:17,727 WARN L286 SmtUtils]: Spent 19.36s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:54:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 37 states and 82 transitions. [2024-12-05 23:54:29,867 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 82 transitions. [2024-12-05 23:54:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:54:29,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:29,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:29,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 23:54:29,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:55:46,029 WARN L286 SmtUtils]: Spent 32.41s on a formula simplification. DAG size of input: 87 DAG size of output: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:55:59,951 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:56:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 39 states and 91 transitions. [2024-12-05 23:56:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 91 transitions. [2024-12-05 23:56:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:56:03,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:03,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:56:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:56:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:03,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:56:03,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 00:00:06,737 WARN L286 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 55 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:01:26,339 WARN L286 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:01:36,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:01:38,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:01:40,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:01:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:01:41,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 95 transitions. [2024-12-06 00:01:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 95 transitions. [2024-12-06 00:01:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:01:41,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:01:41,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:01:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:01:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:01:41,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 00:01:41,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:01:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 00:02:06,965 WARN L286 SmtUtils]: Spent 11.32s on a formula simplification. DAG size of input: 81 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:02:33,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:02:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 44 states and 104 transitions. [2024-12-06 00:02:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 104 transitions. [2024-12-06 00:02:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:02:35,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:02:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:02:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:02:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:02:35,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 00:02:35,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:02:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 00:03:48,466 WARN L286 SmtUtils]: Spent 33.95s on a formula simplification. DAG size of input: 138 DAG size of output: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:04:16,248 WARN L286 SmtUtils]: Spent 10.92s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:04:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:04:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 45 states and 106 transitions. [2024-12-06 00:04:16,726 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 106 transitions. [2024-12-06 00:04:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 00:04:16,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:04:16,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:04:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:04:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:04:17,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 00:04:17,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 00:05:46,219 WARN L286 SmtUtils]: Spent 20.25s on a formula simplification. DAG size of input: 241 DAG size of output: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:06:17,159 WARN L286 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:06:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 47 states and 111 transitions. [2024-12-06 00:06:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 111 transitions. [2024-12-06 00:06:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 00:06:43,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:43,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:06:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:43,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 00:06:43,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:07:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:07:31,961 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 240 DAG size of output: 187 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:07:41,707 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 242 DAG size of output: 236 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:07:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 48 states and 113 transitions. [2024-12-06 00:07:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 113 transitions. [2024-12-06 00:07:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 00:07:54,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:54,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:07:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:55,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-06 00:07:55,576 INFO L279 TraceCheckSpWp]: Computing forward predicates...