./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label31.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_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/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_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/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_4530b125-396d-402a-8a0a-ca8376729098/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 c8431dde37e9854279b4e3a795e7c3ed270f178706b78a2aa3d9d5c60aba5c2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:19:59,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:19:59,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:19:59,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:19:59,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:19:59,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:19:59,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:19:59,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:19:59,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:19:59,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:19:59,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:19:59,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:19:59,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:19:59,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:19:59,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:19:59,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:19:59,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:19:59,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:59,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:19:59,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:19:59,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:19:59,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:19:59,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:19:59,576 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_4530b125-396d-402a-8a0a-ca8376729098/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 -> c8431dde37e9854279b4e3a795e7c3ed270f178706b78a2aa3d9d5c60aba5c2d [2024-11-13 20:19:59,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:19:59,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:19:59,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:19:59,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:19:59,914 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:19:59,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem14_label31.c Unable to find full path for "g++" [2024-11-13 20:20:01,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:02,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:02,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/sv-benchmarks/c/eca-rers2012/Problem14_label31.c [2024-11-13 20:20:02,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/data/a569b570c/e85c0a81c6514e54990a20b77a5bd654/FLAG9a2ccd601 [2024-11-13 20:20:02,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/data/a569b570c/e85c0a81c6514e54990a20b77a5bd654 [2024-11-13 20:20:02,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:02,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:02,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:02,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:02,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:02,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:02" (1/1) ... [2024-11-13 20:20:02,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150d1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:02, skipping insertion in model container [2024-11-13 20:20:02,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:02" (1/1) ... [2024-11-13 20:20:02,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:02,664 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_4530b125-396d-402a-8a0a-ca8376729098/sv-benchmarks/c/eca-rers2012/Problem14_label31.c[2583,2596] [2024-11-13 20:20:02,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:02,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:02,951 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_4530b125-396d-402a-8a0a-ca8376729098/sv-benchmarks/c/eca-rers2012/Problem14_label31.c[2583,2596] [2024-11-13 20:20:03,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:03,091 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:03,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03 WrapperNode [2024-11-13 20:20:03,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:03,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:03,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:03,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:03,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,192 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-13 20:20:03,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:03,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:03,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:03,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:03,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:03,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:03,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:03,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:03,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:03" (1/1) ... [2024-11-13 20:20:03,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:03,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:03,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:03,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4530b125-396d-402a-8a0a-ca8376729098/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:20:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:03,442 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:03,443 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:05,122 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:05,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:10,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:10,099 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:20:10,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:10 BoogieIcfgContainer [2024-11-13 20:20:10,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:10,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:10,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:10,111 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:10,112 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:10" (1/1) ... [2024-11-13 20:20:10,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:10,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 20:20:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 20:20:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:20:10,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:10,440 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 20:20:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 20:20:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 20:20:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:20:10,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:10,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:20:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 20:20:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 20:20:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:20:32,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:32,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-13 20:21:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-13 20:21:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:21:15,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:15,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:22:28,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:22:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2024-11-13 20:22:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2024-11-13 20:22:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:22:29,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2024-11-13 20:23:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2024-11-13 20:23:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:23:52,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:52,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 48 states and 99 transitions. [2024-11-13 20:25:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 99 transitions. [2024-11-13 20:25:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:25:44,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:44,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:27:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2024-11-13 20:27:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2024-11-13 20:27:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:27:28,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:28,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 67 states and 160 transitions. [2024-11-13 20:31:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 160 transitions. [2024-11-13 20:31:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:31:57,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:57,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat