./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk --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 aeaa951d8e8580b5c332234156773ae22fea12bbbe739a78054c027b3309c22c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:30:44,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:30:44,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:30:44,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:30:44,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:30:44,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:30:44,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:30:44,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:30:44,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:30:44,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:30:44,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:30:44,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:30:44,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:30:44,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:30:44,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:30:44,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:30:44,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:30:44,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:30:44,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:30:44,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:30:44,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:30:44,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:30:44,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:30:44,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:30:44,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:30:44,888 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:30:44,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:30:44,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:30:44,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:30:44,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:30:44,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:30:44,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:30:44,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:30:44,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeaa951d8e8580b5c332234156773ae22fea12bbbe739a78054c027b3309c22c [2024-11-08 23:30:45,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:30:45,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:30:45,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:30:45,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:30:45,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:30:45,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label10.c Unable to find full path for "g++" [2024-11-08 23:30:47,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:30:47,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:30:47,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2024-11-08 23:30:47,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/data/cfd0ed22c/e4dc95636e2e4c00862351f5928184a1/FLAG892c06800 [2024-11-08 23:30:48,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/data/cfd0ed22c/e4dc95636e2e4c00862351f5928184a1 [2024-11-08 23:30:48,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:30:48,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:30:48,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:30:48,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:30:48,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:30:48,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:30:48" (1/1) ... [2024-11-08 23:30:48,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253b74ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:48, skipping insertion in model container [2024-11-08 23:30:48,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:30:48" (1/1) ... [2024-11-08 23:30:48,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:30:48,555 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_d53be714-162e-496f-9302-1a2f2346578e/sv-benchmarks/c/eca-rers2012/Problem10_label10.c[5544,5557] [2024-11-08 23:30:48,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:30:48,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:30:48,840 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_d53be714-162e-496f-9302-1a2f2346578e/sv-benchmarks/c/eca-rers2012/Problem10_label10.c[5544,5557] [2024-11-08 23:30:48,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:30:49,024 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:30:49,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49 WrapperNode [2024-11-08 23:30:49,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:30:49,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:30:49,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:30:49,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:30:49,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,190 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 23:30:49,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:30:49,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:30:49,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:30:49,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:30:49,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:30:49,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:30:49,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:30:49,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:30:49,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:49" (1/1) ... [2024-11-08 23:30:49,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:30:49,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:30:49,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:30:49,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53be714-162e-496f-9302-1a2f2346578e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:30:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:30:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:30:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:30:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:30:49,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:30:49,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:30:51,110 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 23:30:51,110 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:30:54,440 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:30:54,441 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:30:54,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:30:54 BoogieIcfgContainer [2024-11-08 23:30:54,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:30:54,442 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:30:54,443 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:30:54,455 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:30:54,455 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:30:54" (1/1) ... [2024-11-08 23:30:54,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:30:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:30:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:30:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:30:54,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:54,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:30:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:55,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:30:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:30:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:30:55,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:55,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 23:31:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 23:31:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:31:14,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:14,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-08 23:31:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-08 23:31:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:31:41,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:41,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:32:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2024-11-08 23:32:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2024-11-08 23:32:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:32:03,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:03,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:32:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2024-11-08 23:32:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2024-11-08 23:32:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:32:15,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:15,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:32:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2024-11-08 23:32:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-08 23:32:30,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:32:30,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:30,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat