./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:41,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:41,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:58:41,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:58:41,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:58:41,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:41,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:41,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:41,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:41,807 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:41,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:58:41,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:41,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:41,810 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:58:41,811 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:58:41,811 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:58:41,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:41,812 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:41,813 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:41,813 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:41,814 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:41,814 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:41,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:41,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:41,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:41,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:41,817 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:58:41,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:58:41,818 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_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2023-11-11 23:58:42,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:42,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:42,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:42,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:42,108 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:42,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-11 23:58:45,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:45,471 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:45,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-11 23:58:45,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/data/2f4ffc010/6dddc53313fb4744a4f5153cf3298fb1/FLAG346fe83a7 [2023-11-11 23:58:45,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/data/2f4ffc010/6dddc53313fb4744a4f5153cf3298fb1 [2023-11-11 23:58:45,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:45,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:45,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:45,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:45,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:45,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2546baff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45, skipping insertion in model container [2023-11-11 23:58:45,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:45,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:45,724 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:45,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:45,761 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:45,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45 WrapperNode [2023-11-11 23:58:45,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:45,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:45,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:45,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:45,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,803 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 183 [2023-11-11 23:58:45,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:45,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:45,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:45,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:45,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:45,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:45,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:45,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:45,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:45,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:45,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:45,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a077c666-4ace-4bf5-8e26-567ad91cc5e8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:58:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:58:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:46,026 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:46,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:46,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:46,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:46,594 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-11 23:58:46,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:46 BoogieIcfgContainer [2023-11-11 23:58:46,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:46,598 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:46,598 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:46,609 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:46,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:46" (1/1) ... [2023-11-11 23:58:46,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-11 23:58:46,681 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-11 23:58:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:58:46,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:46,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-11 23:58:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-11 23:58:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:58:47,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:47,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 91 transitions. [2023-11-11 23:58:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2023-11-11 23:58:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:58:47,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 77 states and 99 transitions. [2023-11-11 23:58:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2023-11-11 23:58:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:58:48,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 78 states and 100 transitions. [2023-11-11 23:58:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2023-11-11 23:58:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:58:48,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 81 states and 112 transitions. [2023-11-11 23:58:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-11 23:58:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:58:49,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:58:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 80 states and 111 transitions. [2023-11-11 23:58:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2023-11-11 23:58:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:58:49,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:49,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2023-11-11 23:58:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-11-11 23:58:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:58:50,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:50,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2023-11-11 23:58:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2023-11-11 23:58:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:58:50,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2023-11-11 23:58:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2023-11-11 23:58:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:58:51,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2023-11-11 23:58:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2023-11-11 23:58:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:58:52,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:52,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 128 transitions. [2023-11-11 23:58:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions. [2023-11-11 23:58:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:58:52,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 129 transitions. [2023-11-11 23:58:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2023-11-11 23:58:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:58:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2023-11-11 23:58:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2023-11-11 23:58:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:58:54,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:54,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2023-11-11 23:58:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2023-11-11 23:58:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:58:56,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:56,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-11 23:58:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2023-11-11 23:58:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2023-11-11 23:58:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:58:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:57,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-11 23:59:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 163 transitions. [2023-11-11 23:59:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2023-11-11 23:59:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:59:00,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:00,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:01,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2023-11-11 23:59:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2023-11-11 23:59:01,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:59:01,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:01,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2023-11-11 23:59:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2023-11-11 23:59:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:59:02,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:02,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2023-11-11 23:59:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2023-11-11 23:59:04,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:59:04,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:04,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 73 states and 86 transitions. [2023-11-11 23:59:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-11 23:59:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:59:05,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:05,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 88 transitions. [2023-11-11 23:59:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2023-11-11 23:59:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:59:06,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:06,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:08,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2023-11-11 23:59:08,171 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2023-11-11 23:59:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:59:08,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2023-11-11 23:59:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-11 23:59:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:59:09,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:09,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2023-11-11 23:59:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2023-11-11 23:59:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:59:11,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2023-11-11 23:59:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2023-11-11 23:59:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:59:12,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:12,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:14,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2023-11-11 23:59:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2023-11-11 23:59:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:59:14,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:14,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 87 states and 100 transitions. [2023-11-11 23:59:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2023-11-11 23:59:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:59:16,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:16,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2023-11-11 23:59:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2023-11-11 23:59:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:59:18,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:18,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2023-11-11 23:59:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2023-11-11 23:59:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:59:20,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:20,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:22,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 93 states and 106 transitions. [2023-11-11 23:59:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2023-11-11 23:59:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:59:22,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:22,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2023-11-11 23:59:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2023-11-11 23:59:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:59:24,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:24,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2023-11-11 23:59:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2023-11-11 23:59:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:59:26,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:26,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2023-11-11 23:59:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2023-11-11 23:59:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:59:28,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2023-11-11 23:59:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2023-11-11 23:59:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:59:30,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:30,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2023-11-11 23:59:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2023-11-11 23:59:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-11 23:59:32,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:32,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.