./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL --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 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:20,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:20,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:01:20,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:20,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:20,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:20,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:20,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:20,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:20,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:20,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:20,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:20,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:20,803 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:01:20,804 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:01:20,804 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:01:20,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:20,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:20,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:20,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:20,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:20,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:20,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:20,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:20,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:20,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:20,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:20,810 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:20,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:20,811 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_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 [2023-11-19 04:01:21,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:21,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:21,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:21,170 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:21,171 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:21,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2023-11-19 04:01:24,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:24,970 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:24,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2023-11-19 04:01:24,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/data/fa809ee25/137850edbc1149bbaef8b10c139afda7/FLAGae8bc4821 [2023-11-19 04:01:25,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/data/fa809ee25/137850edbc1149bbaef8b10c139afda7 [2023-11-19 04:01:25,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:25,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:25,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:25,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:25,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:25,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26369c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25, skipping insertion in model container [2023-11-19 04:01:25,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:25,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:25,510 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:25,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:25,603 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:25,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25 WrapperNode [2023-11-19 04:01:25,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:25,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:25,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:25,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:25,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,675 INFO L138 Inliner]: procedures = 127, calls = 50, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 186 [2023-11-19 04:01:25,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:25,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:25,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:25,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:25,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:25,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:25,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:25,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:25,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:25,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:25,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:25,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9be3f0-1628-4739-8fa2-99eebb737482/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:01:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:01:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:01:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:26,068 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:26,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:26,733 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:26,847 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:26,847 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:01:26,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:26 BoogieIcfgContainer [2023-11-19 04:01:26,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:26,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:26,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:26,901 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:26,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:26,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 141 states and 154 transitions. [2023-11-19 04:01:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 154 transitions. [2023-11-19 04:01:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:01:26,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:26,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2023-11-19 04:01:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-19 04:01:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:01:27,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:27,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-19 04:01:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-19 04:01:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:01:27,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:27,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:27,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 138 states and 151 transitions. [2023-11-19 04:01:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2023-11-19 04:01:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:01:27,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:27,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-19 04:01:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-19 04:01:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:01:27,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:27,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 149 transitions. [2023-11-19 04:01:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2023-11-19 04:01:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:01:27,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 135 states and 148 transitions. [2023-11-19 04:01:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 148 transitions. [2023-11-19 04:01:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:01:28,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 136 states and 150 transitions. [2023-11-19 04:01:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 150 transitions. [2023-11-19 04:01:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:28,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 135 states and 149 transitions. [2023-11-19 04:01:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 149 transitions. [2023-11-19 04:01:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:28,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 134 states and 148 transitions. [2023-11-19 04:01:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 148 transitions. [2023-11-19 04:01:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:28,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 133 states and 147 transitions. [2023-11-19 04:01:28,866 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 147 transitions. [2023-11-19 04:01:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:28,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 132 states and 146 transitions. [2023-11-19 04:01:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2023-11-19 04:01:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:01:29,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 131 states and 145 transitions. [2023-11-19 04:01:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2023-11-19 04:01:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:01:29,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 130 states and 144 transitions. [2023-11-19 04:01:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2023-11-19 04:01:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:29,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 129 states and 143 transitions. [2023-11-19 04:01:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 143 transitions. [2023-11-19 04:01:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:29,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 128 states and 142 transitions. [2023-11-19 04:01:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2023-11-19 04:01:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:01:29,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 136 states and 155 transitions. [2023-11-19 04:01:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2023-11-19 04:01:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:01:31,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:31,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:32,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 144 states and 168 transitions. [2023-11-19 04:01:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2023-11-19 04:01:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:32,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:32,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:34,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 150 states and 175 transitions. [2023-11-19 04:01:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2023-11-19 04:01:34,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:34,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:34,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 161 states and 203 transitions. [2023-11-19 04:01:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 203 transitions. [2023-11-19 04:01:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:36,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:36,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 172 states and 234 transitions. [2023-11-19 04:01:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 234 transitions. [2023-11-19 04:01:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:40,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:40,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:41,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 176 states and 247 transitions. [2023-11-19 04:01:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 247 transitions. [2023-11-19 04:01:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:43,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:43,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 180 states and 259 transitions. [2023-11-19 04:01:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 259 transitions. [2023-11-19 04:01:46,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:46,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:46,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 179 states and 258 transitions. [2023-11-19 04:01:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 258 transitions. [2023-11-19 04:01:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:46,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:46,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 178 states and 257 transitions. [2023-11-19 04:01:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 257 transitions. [2023-11-19 04:01:46,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:46,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:46,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 177 states and 256 transitions. [2023-11-19 04:01:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 256 transitions. [2023-11-19 04:01:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:46,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:46,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 176 states and 255 transitions. [2023-11-19 04:01:46,863 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 255 transitions. [2023-11-19 04:01:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:46,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:46,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:46,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2023-11-19 04:01:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2023-11-19 04:01:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:46,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:46,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 174 states and 253 transitions. [2023-11-19 04:01:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-11-19 04:01:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:47,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 182 states and 267 transitions. [2023-11-19 04:01:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 267 transitions. [2023-11-19 04:01:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:49,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 199 states and 303 transitions. [2023-11-19 04:01:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 303 transitions. [2023-11-19 04:01:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:57,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:57,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 216 states and 337 transitions. [2023-11-19 04:02:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 337 transitions. [2023-11-19 04:02:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:02:08,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 113 states and 123 transitions. [2023-11-19 04:02:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions. [2023-11-19 04:02:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:09,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 112 states and 122 transitions. [2023-11-19 04:02:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2023-11-19 04:02:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:10,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:10,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.