./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.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_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/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_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/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_29a09637-cc9a-4664-afb8-5ccc83973cf3/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 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:31:23,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:31:23,769 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:31:23,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:31:23,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:31:23,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:31:23,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:31:23,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:31:23,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:31:23,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:31:23,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:31:23,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:31:23,816 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:31:23,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:31:23,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:31:23,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:31:23,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:31:23,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:31:23,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:31:23,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:31:23,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:31:23,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:31:23,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:31:23,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:31:23,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:31:23,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:31:23,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:31:23,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:23,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:31:23,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:31:23,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:31:23,820 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:31:23,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:31:23,820 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_29a09637-cc9a-4664-afb8-5ccc83973cf3/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 -> 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 [2024-11-13 21:31:24,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:31:24,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:31:24,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:31:24,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:31:24,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:31:24,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i Unable to find full path for "g++" [2024-11-13 21:31:26,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:31:26,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:31:26,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2024-11-13 21:31:26,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/data/cfb6d9c0f/78ff2e8df5b546b28819cd24c8bef1b0/FLAGa049ce3c4 [2024-11-13 21:31:26,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/data/cfb6d9c0f/78ff2e8df5b546b28819cd24c8bef1b0 [2024-11-13 21:31:26,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:31:26,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:31:26,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:26,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:31:26,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:31:26,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:26" (1/1) ... [2024-11-13 21:31:26,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3b041e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:26, skipping insertion in model container [2024-11-13 21:31:26,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:26" (1/1) ... [2024-11-13 21:31:26,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:31:27,084 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_29a09637-cc9a-4664-afb8-5ccc83973cf3/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-11-13 21:31:27,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:27,113 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:31:27,126 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_29a09637-cc9a-4664-afb8-5ccc83973cf3/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-11-13 21:31:27,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:27,146 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:31:27,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27 WrapperNode [2024-11-13 21:31:27,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:27,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:27,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:31:27,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:31:27,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,178 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-13 21:31:27,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:27,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:31:27,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:31:27,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:31:27,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:31:27,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:31:27,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:31:27,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:31:27,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:27,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:31:27,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:31:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a09637-cc9a-4664-afb8-5ccc83973cf3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:31:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:31:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:31:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:31:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:31:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:31:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:31:27,333 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:31:27,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:31:27,498 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:31:27,498 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:31:27,561 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:31:27,562 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:31:27,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:27 BoogieIcfgContainer [2024-11-13 21:31:27,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:31:27,563 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:31:27,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:31:27,576 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:31:27,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:27" (1/1) ... [2024-11-13 21:31:27,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:31:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 21:31:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 21:31:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:31:27,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:27,837 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 21:31:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:31:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:31:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:31:27,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:27,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:27,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:31:27,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:28,210 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 21:31:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 21:31:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 21:31:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:31:28,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:28,805 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 21:31:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 21:31:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 21:31:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:31:29,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:29,526 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 21:31:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-13 21:31:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-13 21:31:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:31:30,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:30,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:30,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:31:30,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:31:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-13 21:31:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 21:31:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:31:32,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:32,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:32,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:31:32,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:32,476 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 21:31:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:31:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:31:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:31:34,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:34,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 21:31:34,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:31:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-13 21:31:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-13 21:31:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:31:37,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:37,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:38,273 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 21:31:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2024-11-13 21:31:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2024-11-13 21:31:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:31:41,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:41,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:41,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:31:41,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:42,058 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 21:31:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 66 states and 126 transitions. [2024-11-13 21:31:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2024-11-13 21:31:45,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:31:45,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:45,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:45,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:31:45,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:46,368 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 21:31:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 75 states and 146 transitions. [2024-11-13 21:31:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 146 transitions. [2024-11-13 21:31:50,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:31:50,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:50,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:31:50,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:02,226 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 21:32:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 87 states and 167 transitions. [2024-11-13 21:32:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 167 transitions. [2024-11-13 21:32:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:32:19,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:19,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:19,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:32:19,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:22,078 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 21:32:36,811 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 21:32:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 97 states and 186 transitions. [2024-11-13 21:32:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2024-11-13 21:32:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:32:39,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:39,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:39,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:32:39,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:32:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 106 states and 204 transitions. [2024-11-13 21:32:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 204 transitions. [2024-11-13 21:32:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:32:51,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:51,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:51,531 WARN L253 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:32:51,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:04,255 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 21:33:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 116 states and 223 transitions. [2024-11-13 21:33:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 223 transitions. [2024-11-13 21:33:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:33:24,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:24,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:33:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 96 states and 183 transitions. [2024-11-13 21:33:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 183 transitions. [2024-11-13 21:33:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:33:35,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:46,794 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 21:34:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 98 states and 186 transitions. [2024-11-13 21:34:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 186 transitions. [2024-11-13 21:34:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:34:40,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:40,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:41,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 21:34:41,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:55,103 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 21:35:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 101 states and 193 transitions. [2024-11-13 21:35:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 193 transitions. [2024-11-13 21:35:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:35:18,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:18,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:19,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:35:19,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:54,180 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 21:37:06,497 WARN L286 SmtUtils]: Spent 11.23s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:37:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 106 states and 204 transitions. [2024-11-13 21:37:09,859 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 204 transitions. [2024-11-13 21:37:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:37:09,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:37:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:10,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:37:10,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:25,093 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 21:38:56,940 WARN L286 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 169 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 112 states and 218 transitions. [2024-11-13 21:39:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 218 transitions. [2024-11-13 21:39:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:39:00,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:39:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:39:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:00,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:39:00,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:14,095 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 21:40:47,231 WARN L286 SmtUtils]: Spent 25.94s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:41:35,537 WARN L286 SmtUtils]: Spent 41.94s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:41:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 225 transitions. [2024-11-13 21:41:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 225 transitions. [2024-11-13 21:41:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:41:35,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:35,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:41:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:36,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:41:36,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:44:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 124 states and 246 transitions. [2024-11-13 21:44:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 246 transitions. [2024-11-13 21:44:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:44:10,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:10,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.