./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.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_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/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_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/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_0fda8a68-de30-4ce5-88b6-3dfb6d569731/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 de445246a07a3c09c24ae1b242201e03863b04cf8c0f903588b21168932b2662 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:03:14,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:03:14,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:03:14,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:03:14,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:03:14,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:03:14,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:03:14,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:03:14,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:03:14,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:03:14,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:03:14,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:03:14,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:03:14,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:03:14,646 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:03:14,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:03:14,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:03:14,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:03:14,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:14,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:03:14,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:03:14,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:03:14,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:03:14,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:03:14,648 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_0fda8a68-de30-4ce5-88b6-3dfb6d569731/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 -> de445246a07a3c09c24ae1b242201e03863b04cf8c0f903588b21168932b2662 [2024-11-13 21:03:14,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:03:14,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:03:14,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:03:14,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:03:15,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:03:15,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-13 21:03:16,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:17,264 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:17,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c [2024-11-13 21:03:17,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/data/be9fdd21a/f6f0182c29c74480ad05189b24eac050/FLAG733861b20 [2024-11-13 21:03:17,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/data/be9fdd21a/f6f0182c29c74480ad05189b24eac050 [2024-11-13 21:03:17,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:17,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:17,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:17,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:17,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:17,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b48c672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17, skipping insertion in model container [2024-11-13 21:03:17,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:17,496 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_0fda8a68-de30-4ce5-88b6-3dfb6d569731/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2024-11-13 21:03:17,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:17,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:17,537 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_0fda8a68-de30-4ce5-88b6-3dfb6d569731/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2024-11-13 21:03:17,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:17,565 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:17,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17 WrapperNode [2024-11-13 21:03:17,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:17,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:17,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:17,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:17,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,602 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-13 21:03:17,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:17,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:17,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:17,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:17,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:17,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:17,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:17,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:17,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:17,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:17,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:17,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fda8a68-de30-4ce5-88b6-3dfb6d569731/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:03:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:03:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:03:17,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:17,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:17,889 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:17,889 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:17,909 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:17,909 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:03:17,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:17 BoogieIcfgContainer [2024-11-13 21:03:17,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:17,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:17,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:17,921 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:17,921 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:17" (1/1) ... [2024-11-13 21:03:17,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:03:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:03:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:03:17,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:03:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:03:18,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:03:18,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:18,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 21:03:18,381 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 21:03:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:03:18,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:18,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:18,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:03:18,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 21:03:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 21:03:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:03:19,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 21:03:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:03:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:03:19,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2024-11-13 21:03:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2024-11-13 21:03:21,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:03:21,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:21,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:21,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:03:21,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-11-13 21:03:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-13 21:03:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:03:26,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:26,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:03:26,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-13 21:03:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-13 21:03:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:03:27,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:27,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:27,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:03:27,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:03:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2024-11-13 21:03:40,728 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-11-13 21:03:40,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:03:40,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:40,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:03:40,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:04:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-13 21:04:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-13 21:04:10,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:04:10,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:10,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:04:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 105 transitions. [2024-11-13 21:04:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 105 transitions. [2024-11-13 21:04:17,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:04:17,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:17,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:04:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:17,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:04:17,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:04:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 51 states and 113 transitions. [2024-11-13 21:04:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2024-11-13 21:04:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:04:28,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:28,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:04:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:28,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:04:28,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:29,052 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:04:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 114 transitions. [2024-11-13 21:04:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2024-11-13 21:04:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:04:37,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:37,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:04:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 53 states and 113 transitions. [2024-11-13 21:04:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 113 transitions. [2024-11-13 21:04:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:04:37,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:04:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 117 transitions. [2024-11-13 21:04:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 117 transitions. [2024-11-13 21:04:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:04:38,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:04:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 58 states and 140 transitions. [2024-11-13 21:04:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 140 transitions. [2024-11-13 21:04:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:04:55,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:55,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:04:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:55,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:04:55,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:05:18,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:05:29,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 158 transitions. [2024-11-13 21:05:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 158 transitions. [2024-11-13 21:05:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:05:29,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:05:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 62 states and 157 transitions. [2024-11-13 21:05:31,649 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 157 transitions. [2024-11-13 21:05:31,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:05:31,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:05:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:31,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:05:31,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:05:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:05:45,768 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:06:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 163 transitions. [2024-11-13 21:06:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 163 transitions. [2024-11-13 21:06:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:06:06,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:06,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:06:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 65 states and 162 transitions. [2024-11-13 21:06:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 162 transitions. [2024-11-13 21:06:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:06:07,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:06:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:07,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:06:07,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:06:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:06:33,582 WARN L286 SmtUtils]: Spent 22.81s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:06:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 68 states and 166 transitions. [2024-11-13 21:06:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 166 transitions. [2024-11-13 21:06:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:06:37,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:37,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:06:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:38,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 69 states and 171 transitions. [2024-11-13 21:06:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 171 transitions. [2024-11-13 21:06:38,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:06:38,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:38,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:38,203 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:06:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 69 states and 170 transitions. [2024-11-13 21:06:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 170 transitions. [2024-11-13 21:06:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:06:45,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:06:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:46,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:06:46,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:06:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:06:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 71 states and 171 transitions. [2024-11-13 21:06:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 171 transitions. [2024-11-13 21:06:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:06:57,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:06:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:57,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:06:57,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:06:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:07:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 72 states and 174 transitions. [2024-11-13 21:07:06,883 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 174 transitions. [2024-11-13 21:07:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:07:06,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:06,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:07:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 73 states and 180 transitions. [2024-11-13 21:07:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 180 transitions. [2024-11-13 21:07:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:07:08,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:08,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:07:08,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:07:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 74 states and 183 transitions. [2024-11-13 21:07:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 183 transitions. [2024-11-13 21:07:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:07:11,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:11,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:07:11,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:07:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 79 states and 201 transitions. [2024-11-13 21:07:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 201 transitions. [2024-11-13 21:07:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:07:43,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:43,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:07:43,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:08:00,620 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:08:20,621 WARN L286 SmtUtils]: Spent 14.02s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:08:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 205 transitions. [2024-11-13 21:08:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 205 transitions. [2024-11-13 21:08:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:08:30,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:30,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:30,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:08:30,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:37,280 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:08:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:09:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 84 states and 206 transitions. [2024-11-13 21:09:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 206 transitions. [2024-11-13 21:09:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:09:02,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:02,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:09:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:09:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:02,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:09:02,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:10:21,001 WARN L286 SmtUtils]: Spent 18.68s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:11:58,823 WARN L286 SmtUtils]: Spent 11.46s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 94 states and 233 transitions. [2024-11-13 21:12:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 233 transitions. [2024-11-13 21:12:46,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:12:46,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:46,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:13:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 98 states and 269 transitions. [2024-11-13 21:13:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 269 transitions. [2024-11-13 21:13:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:13:53,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:53,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:53,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:13:53,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:16:38,828 WARN L286 SmtUtils]: Spent 42.49s on a formula simplification. DAG size of input: 39 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:17:21,519 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:17:31,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:18:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 101 states and 272 transitions. [2024-11-13 21:18:21,055 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 272 transitions. [2024-11-13 21:18:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:18:21,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:18:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:21,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:18:21,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.