./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.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_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/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_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/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_fcf60127-e354-42d8-b500-1323caa1b848/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 b5a1422c7f1124202863875c2296d538cebfb680907647840c96a830e98d336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:52,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:52,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:43:52,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:43:52,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:43:52,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:52,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:52,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:52,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:52,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:52,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:52,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:52,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:43:52,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:43:52,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:43:52,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:52,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:52,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:52,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:52,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:52,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:43:52,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:52,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:52,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:52,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:52,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:52,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:52,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:52,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:52,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:52,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:52,424 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:43:52,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:43:52,424 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_fcf60127-e354-42d8-b500-1323caa1b848/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 -> b5a1422c7f1124202863875c2296d538cebfb680907647840c96a830e98d336c [2024-11-13 21:43:52,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:52,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:52,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:52,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:52,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:52,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c Unable to find full path for "g++" [2024-11-13 21:43:54,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:54,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:54,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c [2024-11-13 21:43:54,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/data/124567137/1f4e6975c56e4ef7886147d13263f3ad/FLAG0d4e41426 [2024-11-13 21:43:54,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/data/124567137/1f4e6975c56e4ef7886147d13263f3ad [2024-11-13 21:43:54,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:54,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:54,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:54,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:55,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:55,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:54" (1/1) ... [2024-11-13 21:43:55,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ee4d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55, skipping insertion in model container [2024-11-13 21:43:55,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:54" (1/1) ... [2024-11-13 21:43:55,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:55,201 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_fcf60127-e354-42d8-b500-1323caa1b848/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c[525,538] [2024-11-13 21:43:55,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:55,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:55,272 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_fcf60127-e354-42d8-b500-1323caa1b848/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c[525,538] [2024-11-13 21:43:55,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:55,318 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:55,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55 WrapperNode [2024-11-13 21:43:55,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:55,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:55,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:55,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:55,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,369 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-13 21:43:55,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:55,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:55,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:55,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:55,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:55,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:55,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:55,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:55,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:55,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:55,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf60127-e354-42d8-b500-1323caa1b848/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:43:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:43:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:43:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:43:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:43:55,544 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:55,546 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:55,878 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:55,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:55,945 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:55,945 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:43:55,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:55 BoogieIcfgContainer [2024-11-13 21:43:55,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:55,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:55,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:55,959 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:55,960 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:55" (1/1) ... [2024-11-13 21:43:55,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:56,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 21:43:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 21:43:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:43:56,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:56,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:43:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:43:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:43:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:43:56,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:56,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:44:07,083 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 [] [2024-11-13 21:44:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-13 21:44:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-13 21:44:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:44:07,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:44:08,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-13 21:44:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-13 21:44:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:44:08,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:08,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:08,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:44:08,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:44:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:09,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2024-11-13 21:44:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-13 21:44:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:44:09,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:09,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:09,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:44:09,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:44:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-13 21:44:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-13 21:44:11,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:44:11,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:11,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:44:11,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:44:14,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:44:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2024-11-13 21:44:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2024-11-13 21:44:14,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:44:14,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:14,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:14,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:44:14,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:44:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:16,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2024-11-13 21:44:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-11-13 21:44:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:44:16,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:16,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:16,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:44:16,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:44:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2024-11-13 21:44:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2024-11-13 21:44:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:44:16,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:16,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:16,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:44:16,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:44:27,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:44:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 52 states and 94 transitions. [2024-11-13 21:44:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2024-11-13 21:44:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:44:27,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:27,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:44:27,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 21:44:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2024-11-13 21:44:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2024-11-13 21:44:28,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:44:28,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:28,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:44:41,590 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 21:44:51,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:44:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 101 transitions. [2024-11-13 21:44:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2024-11-13 21:44:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:44:51,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:51,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:51,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:44:51,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 21:45:36,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:45:48,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:45:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 61 states and 119 transitions. [2024-11-13 21:45:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2024-11-13 21:45:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:45:48,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:48,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:46:01,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:46:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 125 transitions. [2024-11-13 21:46:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2024-11-13 21:46:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:46:03,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:46:22,406 WARN L286 SmtUtils]: Spent 12.36s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:46:42,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:47:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 72 states and 148 transitions. [2024-11-13 21:47:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 148 transitions. [2024-11-13 21:47:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:47:42,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:42,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:47:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:47:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 74 states and 152 transitions. [2024-11-13 21:47:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 152 transitions. [2024-11-13 21:47:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:47:43,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:43,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:47:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:56,393 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:47:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:48:37,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:49:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 86 states and 176 transitions. [2024-11-13 21:49:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2024-11-13 21:49:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:49:06,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:06,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:06,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:49:06,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 21:49:22,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:49:22,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 91 states and 187 transitions. [2024-11-13 21:49:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 187 transitions. [2024-11-13 21:49:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:49:22,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:22,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:50:30,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:50:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 103 states and 212 transitions. [2024-11-13 21:50:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 212 transitions. [2024-11-13 21:50:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:50:46,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:46,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:51:17,293 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:51:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 106 states and 220 transitions. [2024-11-13 21:51:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 220 transitions. [2024-11-13 21:51:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:51:37,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:37,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:37,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:51:37,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 36 proven. 13 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 21:51:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 229 transitions. [2024-11-13 21:51:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 229 transitions. [2024-11-13 21:51:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:51:54,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:54,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:52:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 119 states and 246 transitions. [2024-11-13 21:52:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 246 transitions. [2024-11-13 21:52:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:52:21,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:21,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:52:37,542 WARN L286 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 62 DAG size of output: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:52:52,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:53:22,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:53:44,357 WARN L286 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 62 DAG size of output: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:54:14,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:54:17,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:54:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 122 states and 254 transitions. [2024-11-13 21:54:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 254 transitions. [2024-11-13 21:54:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:54:23,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:23,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:23,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:54:23,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-13 21:54:24,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 124 states and 260 transitions. [2024-11-13 21:54:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 260 transitions. [2024-11-13 21:54:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:54:24,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:24,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:25,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:54:25,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 21:54:58,580 WARN L286 SmtUtils]: Spent 10.87s on a formula simplification. DAG size of input: 38 DAG size of output: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:55:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 101 states and 211 transitions. [2024-11-13 21:55:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 211 transitions. [2024-11-13 21:55:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:55:07,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:08,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:55:08,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 21:55:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 104 states and 220 transitions. [2024-11-13 21:55:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 220 transitions. [2024-11-13 21:55:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 21:55:30,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:31,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:55:31,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-13 21:55:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 108 states and 229 transitions. [2024-11-13 21:55:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 229 transitions. [2024-11-13 21:55:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:55:43,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:43,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:55:43,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-13 21:55:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 112 states and 240 transitions. [2024-11-13 21:55:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 240 transitions. [2024-11-13 21:55:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:55:53,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:53,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:53,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:55:53,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-13 21:55:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 113 states and 241 transitions. [2024-11-13 21:55:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 241 transitions. [2024-11-13 21:55:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 21:55:57,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:58,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:55:58,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 21:56:10,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:56:20,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:56:31,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:41,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 114 states and 243 transitions. [2024-11-13 21:56:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 243 transitions. [2024-11-13 21:56:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 21:56:41,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:42,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:56:42,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 29 proven. 25 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-13 21:56:57,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:06,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:16,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:26,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 118 states and 252 transitions. [2024-11-13 21:57:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 252 transitions. [2024-11-13 21:57:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 21:57:26,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:26,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:26,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:57:26,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 39 proven. 37 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-13 21:57:41,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:51,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:53,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 119 states and 254 transitions. [2024-11-13 21:57:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 254 transitions. [2024-11-13 21:57:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 21:57:53,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:53,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:53,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:57:53,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 51 proven. 29 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-13 21:57:58,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:01,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:11,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 120 states and 257 transitions. [2024-11-13 21:58:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 257 transitions. [2024-11-13 21:58:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 21:58:11,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:11,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:58:11,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 29 proven. 39 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-13 21:58:38,507 WARN L286 SmtUtils]: Spent 15.48s on a formula simplification. DAG size of input: 50 DAG size of output: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)