./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all.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_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/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_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/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_5123a185-7857-443f-9bcb-0ea46758ab3a/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 cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:17,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:18,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:32:18,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:18,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:18,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:18,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:18,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:18,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:18,191 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:18,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:18,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:18,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:18,196 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:32:18,197 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:32:18,197 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:32:18,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:18,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:32:18,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:18,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:18,199 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:18,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:18,201 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:18,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:18,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:18,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:18,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:18,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:18,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:18,205 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_5123a185-7857-443f-9bcb-0ea46758ab3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 [2023-11-19 03:32:18,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:18,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:18,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:18,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:18,589 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:18,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2023-11-19 03:32:21,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:22,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:22,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2023-11-19 03:32:22,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/data/abf5af8a9/0f8d6f553b604868915c39792f338d57/FLAG24f4ce6b3 [2023-11-19 03:32:22,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/data/abf5af8a9/0f8d6f553b604868915c39792f338d57 [2023-11-19 03:32:22,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:22,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:22,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:22,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:22,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:22,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad66463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22, skipping insertion in model container [2023-11-19 03:32:22,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:22,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:22,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:22,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:22,629 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:22,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22 WrapperNode [2023-11-19 03:32:22,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:22,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:22,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:22,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:22,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,725 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 134 [2023-11-19 03:32:22,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:22,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:22,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:22,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:22,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:22,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:22,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:22,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:22,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:22" (1/1) ... [2023-11-19 03:32:22,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:22,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:22,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:22,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5123a185-7857-443f-9bcb-0ea46758ab3a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:32:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:32:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:32:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:32:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:32:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:32:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:32:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:23,122 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:23,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:23,623 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:23,741 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:23,742 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:32:23,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:23 BoogieIcfgContainer [2023-11-19 03:32:23,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:23,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:23,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:23,778 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:23,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:23" (1/1) ... [2023-11-19 03:32:23,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2023-11-19 03:32:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2023-11-19 03:32:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:32:23,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:23,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:24,260 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 03:32:24,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2023-11-19 03:32:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-11-19 03:32:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:32:24,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:24,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:24,558 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 03:32:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2023-11-19 03:32:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2023-11-19 03:32:24,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:32:24,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:24,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:24,805 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 03:32:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2023-11-19 03:32:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2023-11-19 03:32:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:32:24,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:24,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:24,952 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 03:32:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2023-11-19 03:32:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2023-11-19 03:32:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:32:24,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:24,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:25,086 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 03:32:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2023-11-19 03:32:25,266 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2023-11-19 03:32:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:32:25,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:25,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:25,364 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 03:32:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2023-11-19 03:32:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2023-11-19 03:32:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:32:25,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:25,529 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 03:32:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:25,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2023-11-19 03:32:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-11-19 03:32:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:32:25,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:25,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:25,757 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 03:32:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2023-11-19 03:32:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2023-11-19 03:32:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:32:25,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:25,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:25,890 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 03:32:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2023-11-19 03:32:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2023-11-19 03:32:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:32:25,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:25,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:26,035 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 03:32:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-11-19 03:32:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-11-19 03:32:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:32:26,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:26,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:26,257 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 03:32:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-11-19 03:32:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-11-19 03:32:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:32:26,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:26,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:26,765 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 03:32:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2023-11-19 03:32:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2023-11-19 03:32:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:32:27,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:27,941 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 03:32:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2023-11-19 03:32:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2023-11-19 03:32:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:32:29,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:29,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:29,772 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 03:32:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 78 states and 89 transitions. [2023-11-19 03:32:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-11-19 03:32:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:32:32,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:33,032 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 03:32:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2023-11-19 03:32:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-19 03:32:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:32:36,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:36,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:36,922 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 03:32:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 121 transitions. [2023-11-19 03:32:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2023-11-19 03:32:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:32:40,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,858 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 03:32:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 98 states and 127 transitions. [2023-11-19 03:32:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2023-11-19 03:32:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:32:43,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:43,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:44,447 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 03:32:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 133 transitions. [2023-11-19 03:32:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2023-11-19 03:32:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:32:49,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:49,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:49,325 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 03:32:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 102 states and 135 transitions. [2023-11-19 03:32:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 135 transitions. [2023-11-19 03:32:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:32:49,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:50,537 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 03:32:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 139 transitions. [2023-11-19 03:32:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2023-11-19 03:32:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:32:52,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,308 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 03:32:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 138 transitions. [2023-11-19 03:32:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2023-11-19 03:32:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:32:52,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,452 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 03:32:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 105 states and 141 transitions. [2023-11-19 03:32:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2023-11-19 03:32:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:32:52,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,534 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 03:32:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 104 states and 140 transitions. [2023-11-19 03:32:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2023-11-19 03:32:52,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:32:52,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,643 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 03:32:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 105 states and 141 transitions. [2023-11-19 03:32:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2023-11-19 03:32:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:32:52,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 109 states and 147 transitions. [2023-11-19 03:32:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2023-11-19 03:32:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:32:55,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:55,390 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 03:32:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 113 states and 154 transitions. [2023-11-19 03:32:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2023-11-19 03:32:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:32:57,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:57,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:58,576 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 03:33:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 117 states and 162 transitions. [2023-11-19 03:33:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2023-11-19 03:33:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:33:01,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:01,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:03,176 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 03:33:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 119 states and 166 transitions. [2023-11-19 03:33:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-19 03:33:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:33:04,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 101 states and 132 transitions. [2023-11-19 03:33:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2023-11-19 03:33:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:33:06,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:06,102 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 03:33:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 103 states and 136 transitions. [2023-11-19 03:33:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2023-11-19 03:33:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:33:06,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:06,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:06,938 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 03:33:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 140 transitions. [2023-11-19 03:33:07,795 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2023-11-19 03:33:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:33:07,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.