./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm --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 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:18,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:18,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:56:18,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:56:18,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:56:18,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:18,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:18,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:18,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:18,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:18,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:18,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:18,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:56:18,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:56:18,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:56:18,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:18,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:18,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:18,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:18,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:18,735 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:56:18,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:18,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:18,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:18,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:18,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:18,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:18,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:18,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:18,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:18,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:18,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:56:18,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:56:18,737 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_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm 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 -> 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 [2024-11-13 20:56:19,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:19,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:19,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:19,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:19,176 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:19,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c Unable to find full path for "g++" [2024-11-13 20:56:21,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:22,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:22,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2024-11-13 20:56:22,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/data/2fb07df0b/c3b8579624dc4c79a25d76847ebf5cb0/FLAGdcdad0d07 [2024-11-13 20:56:22,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/data/2fb07df0b/c3b8579624dc4c79a25d76847ebf5cb0 [2024-11-13 20:56:22,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:22,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:22,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:22,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:22,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:22,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7967170d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22, skipping insertion in model container [2024-11-13 20:56:22,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:22,347 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_056aaa9d-caea-4e5b-ba6e-891ca15be81d/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2024-11-13 20:56:22,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:22,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:22,398 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_056aaa9d-caea-4e5b-ba6e-891ca15be81d/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2024-11-13 20:56:22,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:22,427 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:22,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22 WrapperNode [2024-11-13 20:56:22,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:22,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:22,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:22,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:22,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,460 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-13 20:56:22,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:22,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:22,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:22,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:22,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:22,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:22,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:22,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:22,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:22,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:22,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:22,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_056aaa9d-caea-4e5b-ba6e-891ca15be81d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:56:22,635 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:22,637 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:56:22,831 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:56:22,831 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:56:22,863 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:56:22,864 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 20:56:22,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:22 BoogieIcfgContainer [2024-11-13 20:56:22,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:56:22,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:56:22,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:56:22,878 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:56:22,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:22" (1/1) ... [2024-11-13 20:56:22,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:56:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:56:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:56:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:56:22,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:56:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:23,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:56:23,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:56:24,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:56:26,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:56:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-13 20:56:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-13 20:56:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:56:26,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:26,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:56:30,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:56:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-13 20:56:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-13 20:56:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:56:32,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:56:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-13 20:56:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-13 20:56:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:56:32,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:32,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:56:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2024-11-13 20:56:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-13 20:56:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:56:33,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:33,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:56:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-13 20:56:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-13 20:56:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:56:38,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:38,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:56:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:39,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:56:39,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:57:29,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:57:32,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:57:59,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:58:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-13 20:58:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-13 20:58:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:58:07,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:07,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:58:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:07,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:58:07,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 20:58:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-13 20:58:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-13 20:58:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:58:22,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:22,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:58:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:22,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 20:58:22,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:33,157 WARN L286 SmtUtils]: Spent 6.07s 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) [2024-11-13 20:58:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:59:05,052 WARN L286 SmtUtils]: Spent 14.87s on a formula simplification. DAG size of input: 35 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:59:25,945 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification. DAG size of input: 37 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:59:50,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:59:52,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:00:04,270 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 37 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:00:30,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:00:32,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:00:33,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:01:17,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:01:18,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:01:20,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:01:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2024-11-13 21:01:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2024-11-13 21:01:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:01:23,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:23,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 21:01:48,515 WARN L286 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 30 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:01:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2024-11-13 21:01:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2024-11-13 21:01:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:01:48,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:01:58,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:02:03,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:02:03,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2024-11-13 21:02:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2024-11-13 21:02:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 21:02:03,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:03,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:02:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:03,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:02:03,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 21:03:13,962 WARN L286 SmtUtils]: Spent 13.21s on a formula simplification. DAG size of input: 42 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:05:43,793 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 44 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:06:29,569 WARN L286 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:08:54,806 WARN L286 SmtUtils]: Spent 32.03s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:09:04,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:09:37,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:09:38,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:10:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 78 states and 137 transitions. [2024-11-13 21:10:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 137 transitions. [2024-11-13 21:10:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 21:10:42,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:42,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:10:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:42,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:10:42,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 21:11:25,377 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 44 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)