./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.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_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/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_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/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_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/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 1f6c2207c7fc8e707b9260ef6afb25be5d17e51cbd8001e46a4b7aba8375babe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:22:26,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:22:26,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:22:26,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:22:26,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:22:26,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:22:26,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:22:26,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:22:26,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:22:26,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:22:26,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:22:26,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:22:26,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:22:26,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:22:26,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:22:26,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:22:26,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:22:26,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:22:26,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:22:26,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:22:26,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:22:26,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:22:26,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:22:26,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:22:26,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:22:26,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:22:26,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:22:26,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:26,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:22:26,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:22:26,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:22:26,471 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:22:26,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:22:26,471 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_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/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 -> 1f6c2207c7fc8e707b9260ef6afb25be5d17e51cbd8001e46a4b7aba8375babe [2024-11-13 21:22:26,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:22:26,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:22:26,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:22:26,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:22:26,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:22:26,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-13 21:22:28,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:22:29,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:22:29,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c [2024-11-13 21:22:29,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/data/499957214/c2377d833e7041f4a0301e3be7408b4b/FLAGdd128fc2c [2024-11-13 21:22:29,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/data/499957214/c2377d833e7041f4a0301e3be7408b4b [2024-11-13 21:22:29,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:22:29,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:22:29,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:29,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:22:29,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:22:29,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5c14fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29, skipping insertion in model container [2024-11-13 21:22:29,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:22:29,434 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_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2024-11-13 21:22:29,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:29,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:22:29,490 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_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2024-11-13 21:22:29,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:29,522 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:22:29,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29 WrapperNode [2024-11-13 21:22:29,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:29,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:29,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:22:29,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:22:29,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,565 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-13 21:22:29,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:29,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:22:29,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:22:29,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:22:29,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:22:29,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:22:29,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:22:29,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:22:29,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:29" (1/1) ... [2024-11-13 21:22:29,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:29,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:22:29,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:22:29,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5da2ad5-de3e-4dbd-b0dc-ebbc86eadfa7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:22:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:22:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:22:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:22:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:22:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:22:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:22:29,809 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:22:29,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:22:29,991 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:22:29,991 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:22:30,035 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:22:30,036 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:22:30,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:30 BoogieIcfgContainer [2024-11-13 21:22:30,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:22:30,037 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:22:30,037 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:22:30,053 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:22:30,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:30" (1/1) ... [2024-11-13 21:22:30,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:22:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:22:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:22:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:22:30,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:30,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:30,339 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 21:22:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:22:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:22:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:22:30,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:30,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:30,552 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 21:22:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 21:22:30,622 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 21:22:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:22:30,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:30,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:30,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:22:30,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:30,854 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 21:22:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 21:22:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 21:22:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:22:31,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:31,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:31,730 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 21:22:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 21:22:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:22:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:22:32,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:32,839 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 21:22:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2024-11-13 21:22:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2024-11-13 21:22:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:22:34,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:34,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:22:34,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:34,637 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 21:22:42,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:46,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-11-13 21:22:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-13 21:22:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:22:46,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:46,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:46,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:22:46,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:46,696 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 21:22:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-13 21:22:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-13 21:22:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:22:47,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:47,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:47,843 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 21:22:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-11-13 21:22:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-11-13 21:22:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:22:52,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:52,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:52,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:22:52,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:52,732 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 21:23:02,847 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:23:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 40 states and 82 transitions. [2024-11-13 21:23:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 82 transitions. [2024-11-13 21:23:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:23:09,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:09,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:10,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:23:10,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:10,430 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 21:23:36,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:23:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 91 transitions. [2024-11-13 21:23:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 91 transitions. [2024-11-13 21:23:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:23:41,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:41,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:41,635 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 21:23:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2024-11-13 21:23:42,091 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2024-11-13 21:23:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:23:42,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:42,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:42,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:23:42,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:43,447 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 21:23:48,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:23:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 91 transitions. [2024-11-13 21:23:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 91 transitions. [2024-11-13 21:23:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:23:50,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:50,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:50,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:23:50,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:51,115 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 21:24:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 50 states and 108 transitions. [2024-11-13 21:24:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 108 transitions. [2024-11-13 21:24:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:24:23,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:23,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:24:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:23,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:24:23,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:23,887 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 21:24:30,737 WARN L286 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:24:38,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:24:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 112 transitions. [2024-11-13 21:24:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 112 transitions. [2024-11-13 21:24:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:24:39,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:44,453 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 21:24:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 134 transitions. [2024-11-13 21:24:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 134 transitions. [2024-11-13 21:24:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:24:52,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:52,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:24:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:52,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:24:52,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:52,789 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 21:25:10,529 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 21:25:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 61 states and 145 transitions. [2024-11-13 21:25:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 145 transitions. [2024-11-13 21:25:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:25:11,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:11,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:12,024 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 21:25:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 62 states and 148 transitions. [2024-11-13 21:25:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 148 transitions. [2024-11-13 21:25:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:25:15,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:15,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:15,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:25:15,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:28:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 74 states and 185 transitions. [2024-11-13 21:28:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 185 transitions. [2024-11-13 21:28:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:28:32,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:32,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:33,031 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 21:28:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 75 states and 188 transitions. [2024-11-13 21:28:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 188 transitions. [2024-11-13 21:28:54,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:28:54,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:54,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:28:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:54,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:28:54,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:54,295 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 21:29:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 77 states and 189 transitions. [2024-11-13 21:29:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 189 transitions. [2024-11-13 21:29:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:29:36,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:36,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:36,984 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 21:29:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 78 states and 192 transitions. [2024-11-13 21:29:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 192 transitions. [2024-11-13 21:29:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:29:41,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:41,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:29:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:41,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:29:41,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:42,013 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 21:30:04,265 WARN L286 SmtUtils]: Spent 11.02s 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 21:30:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 83 states and 209 transitions. [2024-11-13 21:30:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 209 transitions. [2024-11-13 21:30:27,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:30:27,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:27,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:27,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:30:27,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:31:20,143 WARN L286 SmtUtils]: Spent 19.96s 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 21:31:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 86 states and 212 transitions. [2024-11-13 21:31:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 212 transitions. [2024-11-13 21:31:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:31:27,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:27,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:27,980 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 21:31:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 90 states and 247 transitions. [2024-11-13 21:31:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 247 transitions. [2024-11-13 21:31:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:31:47,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:47,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:47,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 21:31:47,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:48,184 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 21:32:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 93 states and 256 transitions. [2024-11-13 21:32:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 256 transitions. [2024-11-13 21:32:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:32:04,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:04,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:04,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:32:04,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:04,665 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 21:32:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 94 states and 259 transitions. [2024-11-13 21:32:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 259 transitions. [2024-11-13 21:32:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:32:06,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:06,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:06,239 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 21:32:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 95 states and 265 transitions. [2024-11-13 21:32:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 265 transitions. [2024-11-13 21:32:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:32:08,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:08,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:32:08,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:32:37,920 WARN L286 SmtUtils]: Spent 22.85s 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 21:32:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 98 states and 269 transitions. [2024-11-13 21:32:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 269 transitions. [2024-11-13 21:32:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:32:53,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:53,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:53,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:32:53,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:54,065 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 21:33:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 100 states and 270 transitions. [2024-11-13 21:33:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 270 transitions. [2024-11-13 21:33:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:33:03,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:03,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:04,043 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 21:33:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 100 states and 268 transitions. [2024-11-13 21:33:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 268 transitions. [2024-11-13 21:33:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:33:06,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:06,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:06,542 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 21:33:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:07,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 100 states and 267 transitions. [2024-11-13 21:33:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 267 transitions. [2024-11-13 21:33:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:33:07,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:07,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:08,087 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 21:33:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 100 states and 266 transitions. [2024-11-13 21:33:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 266 transitions. [2024-11-13 21:33:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:33:18,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:18,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:33:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:18,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:33:18,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:33:54,455 WARN L286 SmtUtils]: Spent 15.35s 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 21:34:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 104 states and 281 transitions. [2024-11-13 21:34:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 281 transitions. [2024-11-13 21:34:37,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:34:37,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:37,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:37,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:34:37,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:35:20,575 WARN L286 SmtUtils]: Spent 25.10s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:35:46,536 WARN L286 SmtUtils]: Spent 20.72s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:36:19,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:36:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 107 states and 285 transitions. [2024-11-13 21:36:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 285 transitions. [2024-11-13 21:36:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:36:39,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:39,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:37:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 111 states and 323 transitions. [2024-11-13 21:37:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 323 transitions. [2024-11-13 21:37:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:37:22,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:22,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.