./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt9.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/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_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/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_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/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 110f478e83f66be81975f0da6e710bed770d999fa1dfb3745754f84397486bfb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:19,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:19,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:31:19,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:31:19,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:31:19,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:19,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:19,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:19,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:19,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:19,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:19,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:19,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:31:19,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:19,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:31:19,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:19,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:19,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:19,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:19,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:19,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:31:19,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:19,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:19,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:19,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:19,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:19,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:19,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:19,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:19,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:19,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:19,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:31:19,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:31:19,861 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_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/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 -> 110f478e83f66be81975f0da6e710bed770d999fa1dfb3745754f84397486bfb [2024-11-13 20:31:20,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:20,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:20,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:20,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:20,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:20,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops-crafted-1/sumt9.c Unable to find full path for "g++" [2024-11-13 20:31:22,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:22,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:22,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/sv-benchmarks/c/loops-crafted-1/sumt9.c [2024-11-13 20:31:22,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/data/9e680d090/ba48a1f692cb4fdc94b4d10fa76d3c79/FLAG464623e8c [2024-11-13 20:31:22,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/data/9e680d090/ba48a1f692cb4fdc94b4d10fa76d3c79 [2024-11-13 20:31:22,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:22,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:22,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:22,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:22,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:22,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:22" (1/1) ... [2024-11-13 20:31:22,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc6f650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:22, skipping insertion in model container [2024-11-13 20:31:22,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:22" (1/1) ... [2024-11-13 20:31:22,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:23,017 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_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/sv-benchmarks/c/loops-crafted-1/sumt9.c[403,416] [2024-11-13 20:31:23,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:23,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:23,089 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_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/sv-benchmarks/c/loops-crafted-1/sumt9.c[403,416] [2024-11-13 20:31:23,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:23,131 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:23,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23 WrapperNode [2024-11-13 20:31:23,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:23,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:23,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:23,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:23,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,169 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-13 20:31:23,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:23,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:23,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:23,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:23,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:23,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:23,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:23,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:23,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:23,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:23,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:23,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ae9bd2-fd54-49bd-8b95-32dd4d9982b9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:31:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:23,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:23,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:23,579 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:23,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:23,781 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:23,783 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:31:23,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:23 BoogieIcfgContainer [2024-11-13 20:31:23,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:23,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:23,786 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:23,798 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:23,802 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:23" (1/1) ... [2024-11-13 20:31:23,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 20:31:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 20:31:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:31:23,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:23,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:30,785 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 20:31:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 20:31:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 20:31:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:31:30,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:30,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2024-11-13 20:31:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2024-11-13 20:31:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:31:46,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:46,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:59,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 20:31:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 20:31:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:31:59,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:59,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:33:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 20:33:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 20:33:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:33:53,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:34:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:09,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2024-11-13 20:34:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2024-11-13 20:34:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:34:09,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:09,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:14,023 WARN L286 SmtUtils]: Spent 20.16s on a formula simplification. DAG size of input: 90 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:35:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-11-13 20:35:50,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-11-13 20:35:50,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:35:50,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:50,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:36:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2024-11-13 20:36:27,807 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2024-11-13 20:36:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:36:27,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:27,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:37:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 66 states and 100 transitions. [2024-11-13 20:37:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2024-11-13 20:37:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:37:38,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:37:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:38:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2024-11-13 20:38:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2024-11-13 20:38:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:38:22,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:38:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:39:17,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 78 states and 116 transitions. [2024-11-13 20:39:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 116 transitions. [2024-11-13 20:39:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:39:17,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:00,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:43:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 84 states and 124 transitions. [2024-11-13 20:43:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2024-11-13 20:43:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:43:08,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:08,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat