./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/divbin2.i --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_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/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_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/divbin2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/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_6bfcbea9-3031-4216-a4aa-95bc3c50db48/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 c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:37,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:37,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:24:37,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:24:37,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:24:37,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:37,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:37,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:37,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:37,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:37,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:37,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:37,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:24:37,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:24:37,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:24:37,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:37,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:37,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:37,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:37,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:37,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:24:37,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:37,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:37,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:37,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:37,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:37,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:37,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:37,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:37,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:37,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:37,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:24:37,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:24:37,694 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_6bfcbea9-3031-4216-a4aa-95bc3c50db48/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 -> c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e [2024-11-13 21:24:38,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:38,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:38,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:38,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:38,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:38,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/divbin2.i Unable to find full path for "g++" [2024-11-13 21:24:40,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:40,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:40,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/sv-benchmarks/c/nla-digbench/divbin2.i [2024-11-13 21:24:40,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/data/d1cb20260/dd0efebef2f1457a9695be05c8dab594/FLAGd751afea8 [2024-11-13 21:24:40,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/data/d1cb20260/dd0efebef2f1457a9695be05c8dab594 [2024-11-13 21:24:40,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:40,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:40,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:40,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:40,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:40,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d58b1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40, skipping insertion in model container [2024-11-13 21:24:40,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:40,543 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_6bfcbea9-3031-4216-a4aa-95bc3c50db48/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2024-11-13 21:24:40,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:40,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:40,585 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_6bfcbea9-3031-4216-a4aa-95bc3c50db48/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2024-11-13 21:24:40,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:40,608 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:40,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40 WrapperNode [2024-11-13 21:24:40,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:40,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:40,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:40,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:40,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,640 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-11-13 21:24:40,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:40,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:40,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:40,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:40,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:40,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:40,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:40,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:40,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:40,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:40,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:40,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcbea9-3031-4216-a4aa-95bc3c50db48/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:24:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:24:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:24:40,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:40,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:40,895 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:40,896 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:40,932 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:40,933 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:24:40,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:40 BoogieIcfgContainer [2024-11-13 21:24:40,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:40,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:40,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:40,944 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:40,945 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 21:24:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 21:24:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:24:41,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:41,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:41,125 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 21:24:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:24:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:24:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:24:41,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:41,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:24:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:41,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:24:41,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:41,381 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 21:24:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 21:24:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 21:24:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:24:41,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:41,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:41,865 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 21:24:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 21:24:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 21:24:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:24:42,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:42,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-13 21:24:43,517 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-13 21:24:43,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:24:43,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:43,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:24:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:43,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:24:43,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2024-11-13 21:24:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2024-11-13 21:24:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:24:45,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:24:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:45,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:24:45,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-13 21:24:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 21:24:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:24:46,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:46,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:24:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:47,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:24:47,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2024-11-13 21:24:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2024-11-13 21:24:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:24:49,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:49,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:25:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2024-11-13 21:25:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2024-11-13 21:25:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:25:03,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:03,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:03,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:25:03,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:25:09,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2024-11-13 21:25:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2024-11-13 21:25:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:25:09,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:09,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:25:09,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:25:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 70 states and 119 transitions. [2024-11-13 21:25:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 119 transitions. [2024-11-13 21:25:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:25:20,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:20,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:21,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:25:21,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:25:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2024-11-13 21:25:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2024-11-13 21:25:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:25:30,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:30,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:30,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:25:30,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:25:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 144 transitions. [2024-11-13 21:25:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2024-11-13 21:25:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:25:41,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:41,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:25:41,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:26:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 90 states and 157 transitions. [2024-11-13 21:26:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 157 transitions. [2024-11-13 21:26:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:26:02,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:03,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:26:03,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:26:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 102 states and 177 transitions. [2024-11-13 21:26:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 177 transitions. [2024-11-13 21:26:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:26:22,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:22,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:22,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:26:22,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:26:41,230 WARN L286 SmtUtils]: Spent 10.43s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:27:05,720 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 21:27:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 109 states and 190 transitions. [2024-11-13 21:27:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 190 transitions. [2024-11-13 21:27:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:27:05,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:05,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:27:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 111 states and 193 transitions. [2024-11-13 21:27:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 193 transitions. [2024-11-13 21:27:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:27:10,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:10,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:27:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:11,086 WARN L253 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 21:27:11,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:27:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 114 states and 199 transitions. [2024-11-13 21:27:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 199 transitions. [2024-11-13 21:27:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:27:22,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:22,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:27:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:22,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:27:22,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:42,505 WARN L286 SmtUtils]: Spent 12.99s on a formula simplification. DAG size of input: 104 DAG size of output: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:27:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 121 states and 213 transitions. [2024-11-13 21:27:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 213 transitions. [2024-11-13 21:27:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:27:56,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:56,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:27:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:57,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:27:57,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:28:43,732 WARN L286 SmtUtils]: Spent 14.54s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:30:11,553 WARN L286 SmtUtils]: Spent 1.37m on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:30:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 132 states and 233 transitions. [2024-11-13 21:30:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 233 transitions. [2024-11-13 21:30:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:30:17,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:17,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:17,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:30:17,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:30:35,899 WARN L286 SmtUtils]: Spent 12.46s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:30:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:55,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 239 transitions. [2024-11-13 21:30:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 239 transitions. [2024-11-13 21:30:55,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:30:55,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:55,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:55,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:30:55,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:31:18,573 WARN L286 SmtUtils]: Spent 14.15s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:32:10,609 WARN L286 SmtUtils]: Spent 25.56s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:32:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 142 states and 252 transitions. [2024-11-13 21:32:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 252 transitions. [2024-11-13 21:32:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:32:10,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:11,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:32:11,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:33:29,957 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 147 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:33:57,861 WARN L286 SmtUtils]: Spent 14.36s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:34:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 147 states and 261 transitions. [2024-11-13 21:34:09,525 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 261 transitions. [2024-11-13 21:34:09,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:34:09,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:09,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:09,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:34:09,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:35:22,013 WARN L286 SmtUtils]: Spent 27.65s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:35:27,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:35:28,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:36:33,570 WARN L286 SmtUtils]: Spent 55.91s on a formula simplification that was a NOOP. DAG size: 250 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:36:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 161 states and 284 transitions. [2024-11-13 21:36:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 284 transitions. [2024-11-13 21:36:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:36:34,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:36:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:34,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:36:34,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:36:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 1 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:32,442 WARN L286 SmtUtils]: Spent 1.43m on a formula simplification. DAG size of input: 161 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:12,820 WARN L286 SmtUtils]: Spent 27.45s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:31,211 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 168 states and 298 transitions. [2024-11-13 21:39:31,901 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 298 transitions. [2024-11-13 21:39:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:39:31,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:39:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:39:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:33,246 WARN L253 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 21:39:33,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.