./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.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_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/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_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/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_ddbc3b41-dced-402d-8b35-0168bdc77f8d/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 cd96693dadae00828d220f96f6be5e1b4d41427aeea8fb5ef5c380021c3ccf91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:27,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:27,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:31:27,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:31:27,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:31:27,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:27,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:27,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:27,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:27,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:27,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:27,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:27,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:31:27,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:27,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:31:27,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:27,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:27,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:27,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:27,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:27,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:31:27,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:27,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:27,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:27,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:27,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:27,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:27,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:27,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:27,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:27,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:27,409 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:31:27,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:31:27,409 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_ddbc3b41-dced-402d-8b35-0168bdc77f8d/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 -> cd96693dadae00828d220f96f6be5e1b4d41427aeea8fb5ef5c380021c3ccf91 [2024-11-13 20:31:27,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:27,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:27,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:27,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:27,725 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:27,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i Unable to find full path for "g++" [2024-11-13 20:31:29,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:29,856 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:29,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i [2024-11-13 20:31:29,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/data/4d716ceb9/cddfde10a26d4c3eb2bdfdf151e3e8bd/FLAGc019af5bb [2024-11-13 20:31:29,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/data/4d716ceb9/cddfde10a26d4c3eb2bdfdf151e3e8bd [2024-11-13 20:31:29,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:29,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:29,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:29,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:29,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:29,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:29" (1/1) ... [2024-11-13 20:31:29,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5907cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:29, skipping insertion in model container [2024-11-13 20:31:29,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:29" (1/1) ... [2024-11-13 20:31:29,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:30,150 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_ddbc3b41-dced-402d-8b35-0168bdc77f8d/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i[951,964] [2024-11-13 20:31:30,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:30,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:30,196 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_ddbc3b41-dced-402d-8b35-0168bdc77f8d/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i[951,964] [2024-11-13 20:31:30,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:30,225 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:30,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30 WrapperNode [2024-11-13 20:31:30,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:30,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:30,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:30,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:30,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,261 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-13 20:31:30,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:30,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:30,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:30,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:30,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:30,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:30,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:30,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:30,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:30,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:30,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:30,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbc3b41-dced-402d-8b35-0168bdc77f8d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:31:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:31:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:31:30,430 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:30,432 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:30,620 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:30,621 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:30,673 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:30,674 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:31:30,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:30 BoogieIcfgContainer [2024-11-13 20:31:30,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:30,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:30,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:30,685 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:30,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:30" (1/1) ... [2024-11-13 20:31:30,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 20:31:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 20:31:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:31:30,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:30,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:30,885 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 20:31:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:31:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:31:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:31:30,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:30,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:31:30,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:31,168 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 20:31:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 20:31:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 20:31:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:31:31,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:31,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:31,718 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 20:31:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 20:31:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 20:31:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:31:32,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:32,464 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 20:31:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-13 20:31:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-13 20:31:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:31:33,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:33,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:33,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 20:31:33,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:33,560 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 20:31:39,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:31:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-11-13 20:31:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-13 20:31:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:31:39,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:39,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:31:39,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2024-11-13 20:31:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2024-11-13 20:31:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:31:41,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:41,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:41,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 20:31:41,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:41,510 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 20:31:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 49 states and 90 transitions. [2024-11-13 20:31:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2024-11-13 20:31:43,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:31:43,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:43,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:44,148 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 20:31:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2024-11-13 20:31:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2024-11-13 20:31:46,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:31:46,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:46,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:46,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 20:31:46,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 66 states and 128 transitions. [2024-11-13 20:31:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2024-11-13 20:31:50,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:31:50,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:50,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:50,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:31:50,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2024-11-13 20:31:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2024-11-13 20:31:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:31:54,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:54,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:55,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:31:55,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:56,380 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 20:32:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 87 states and 168 transitions. [2024-11-13 20:32:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 168 transitions. [2024-11-13 20:32:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:32:01,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:01,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:01,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 20:32:01,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:02,440 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 20:32:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 183 transitions. [2024-11-13 20:32:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2024-11-13 20:32:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:32:06,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:06,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:06,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:32:06,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:08,092 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 20:32:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 102 states and 203 transitions. [2024-11-13 20:32:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 203 transitions. [2024-11-13 20:32:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:32:15,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:15,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 20:32:15,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:32:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 221 transitions. [2024-11-13 20:32:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 221 transitions. [2024-11-13 20:32:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:32:22,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:23,011 WARN L253 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:32:23,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:32:38,237 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 20:32:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 123 states and 243 transitions. [2024-11-13 20:32:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 243 transitions. [2024-11-13 20:32:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:32:52,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:14,313 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:33:22,116 WARN L286 SmtUtils]: Spent 7.80s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:33:25,970 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 20:33:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 125 states and 247 transitions. [2024-11-13 20:33:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 247 transitions. [2024-11-13 20:33:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:33:36,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:36,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:33:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:37,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 20:33:37,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:33:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 135 states and 266 transitions. [2024-11-13 20:33:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 266 transitions. [2024-11-13 20:33:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:33:50,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:50,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:34:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 111 states and 219 transitions. [2024-11-13 20:34:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 219 transitions. [2024-11-13 20:34:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:34:02,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:02,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:03,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 20:34:03,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:44,806 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:34:46,642 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:35:40,114 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 168 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:35:44,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:35:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 122 states and 240 transitions. [2024-11-13 20:35:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 240 transitions. [2024-11-13 20:35:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:35:45,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:45,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:35:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:45,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 20:35:45,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:01,222 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 20:36:31,884 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:36:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 128 states and 253 transitions. [2024-11-13 20:36:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 253 transitions. [2024-11-13 20:36:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 20:36:32,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:36:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:33,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:36:33,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:37:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 133 states and 264 transitions. [2024-11-13 20:37:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 264 transitions. [2024-11-13 20:37:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 20:37:35,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:37:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:37:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:35,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:37:35,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 63 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:38:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 139 states and 278 transitions. [2024-11-13 20:38:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 278 transitions. [2024-11-13 20:38:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:38:05,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:38:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:38:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:06,086 WARN L253 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 20:38:06,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:39:18,287 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 249 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:39:34,677 WARN L286 SmtUtils]: Spent 13.82s 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 20:39:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 144 states and 289 transitions. [2024-11-13 20:39:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 289 transitions. [2024-11-13 20:39:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:39:35,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:35,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:43:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 146 states and 293 transitions. [2024-11-13 20:43:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 293 transitions. [2024-11-13 20:43:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:43:40,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:43:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:41,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:43:41,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 5 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:44:44,694 WARN L286 SmtUtils]: Spent 36.64s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:46:21,767 WARN L286 SmtUtils]: Spent 55.93s on a formula simplification that was a NOOP. DAG size: 273 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:46:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 151 states and 304 transitions. [2024-11-13 20:46:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 304 transitions. [2024-11-13 20:46:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 20:46:28,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:28,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:29,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 20:46:29,725 INFO L278 TraceCheckSpWp]: Computing forward predicates...