./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:49,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:49,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:50:49,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:49,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:49,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:49,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:49,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:49,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:49,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:49,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:49,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:49,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:49,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:49,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:49,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:49,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:49,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:49,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:49,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:49,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:49,695 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:49,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:49,696 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:49,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:49,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:49,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:49,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:49,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:49,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:49,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:49,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:49,710 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_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 [2023-11-21 18:50:50,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:50,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:50,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:50,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:50,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:50,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2023-11-21 18:50:53,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:53,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:53,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2023-11-21 18:50:53,346 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/data/0b9f60914/09c185f306fe440f9272db84f3573ebb/FLAG31c75ff58 [2023-11-21 18:50:53,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/data/0b9f60914/09c185f306fe440f9272db84f3573ebb [2023-11-21 18:50:53,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:53,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:53,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:53,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:53,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:53,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c2501c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53, skipping insertion in model container [2023-11-21 18:50:53,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:53,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:53,536 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:53,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:53,557 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:53,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53 WrapperNode [2023-11-21 18:50:53,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:53,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:53,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:53,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:53,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,587 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2023-11-21 18:50:53,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:53,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:53,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:53,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:53,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:53,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:53,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:53,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:53,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:53,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:53,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:53,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55621216-e306-439e-9cb9-5d63c61234eb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:53,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:53,813 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:53,816 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:54,006 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:54,042 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:54,051 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:50:54,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:54 BoogieIcfgContainer [2023-11-21 18:50:54,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:54,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:54,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:54,072 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:54,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:54" (1/1) ... [2023-11-21 18:50:54,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:50:54,138 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:50:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:50:54,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-21 18:50:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-21 18:50:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:50:54,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-11-21 18:50:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-21 18:50:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:54,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-21 18:50:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-21 18:50:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:55,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-21 18:50:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-21 18:50:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:55,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:56,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2023-11-21 18:50:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-21 18:50:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:56,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:56,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-11-21 18:50:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-11-21 18:50:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:57,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:57,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-11-21 18:50:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-21 18:50:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:50:58,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2023-11-21 18:50:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2023-11-21 18:50:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:50:59,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2023-11-21 18:50:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2023-11-21 18:50:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:59,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2023-11-21 18:51:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2023-11-21 18:51:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:51:00,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:01,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2023-11-21 18:51:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2023-11-21 18:51:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:51:01,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:01,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 104 transitions. [2023-11-21 18:51:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 104 transitions. [2023-11-21 18:51:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:51:03,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-21 18:51:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-21 18:51:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:04,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:51:04,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 104 transitions. [2023-11-21 18:51:04,896 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2023-11-21 18:51:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:51:04,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:51:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2023-11-21 18:51:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-21 18:51:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:51:05,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2023-11-21 18:51:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2023-11-21 18:51:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:51:07,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:51:11,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2023-11-21 18:51:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2023-11-21 18:51:11,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:51:11,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:11,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 100 states and 163 transitions. [2023-11-21 18:51:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2023-11-21 18:51:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:51:16,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:51:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2023-11-21 18:51:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2023-11-21 18:51:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:51:17,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:51:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 109 states and 171 transitions. [2023-11-21 18:51:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2023-11-21 18:51:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:51:18,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:18,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:51:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 170 transitions. [2023-11-21 18:51:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 170 transitions. [2023-11-21 18:51:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:51:19,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:19,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2023-11-21 18:51:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2023-11-21 18:51:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:51:24,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:51:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:29,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 130 states and 224 transitions. [2023-11-21 18:51:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 224 transitions. [2023-11-21 18:51:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:51:29,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:29,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:51:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:31,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-11-21 18:51:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-11-21 18:51:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:51:31,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:31,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 233 transitions. [2023-11-21 18:51:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2023-11-21 18:51:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:51:37,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:37,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:51:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 143 states and 236 transitions. [2023-11-21 18:51:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 236 transitions. [2023-11-21 18:51:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:51:38,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:38,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 43 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:51:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 153 states and 254 transitions. [2023-11-21 18:51:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 254 transitions. [2023-11-21 18:51:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:51:44,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:44,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 1 proven. 83 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:51:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 156 states and 254 transitions. [2023-11-21 18:51:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 254 transitions. [2023-11-21 18:51:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:51:46,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.