./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/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_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/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_261b2a5b-dc98-4a0e-b949-5eaa30639d56/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 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:27,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:27,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:00:27,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:27,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:27,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:27,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:27,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:27,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:27,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:27,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:27,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:27,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:27,790 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:00:27,791 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:00:27,792 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:00:27,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:27,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:27,794 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:27,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:27,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:27,796 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:27,796 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:27,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:27,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:27,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:27,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:27,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:27,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:27,800 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_261b2a5b-dc98-4a0e-b949-5eaa30639d56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 [2023-11-19 04:00:28,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:28,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:28,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:28,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:28,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:28,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2023-11-19 04:00:31,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:31,787 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:31,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2023-11-19 04:00:31,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/data/1306e6b7c/08e428ddfaf648e09364a234424ea5ff/FLAGe1b30ad11 [2023-11-19 04:00:31,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/data/1306e6b7c/08e428ddfaf648e09364a234424ea5ff [2023-11-19 04:00:31,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:31,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:31,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:31,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:31,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:31,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:31" (1/1) ... [2023-11-19 04:00:31,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5c7668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:31, skipping insertion in model container [2023-11-19 04:00:31,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:31" (1/1) ... [2023-11-19 04:00:31,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:32,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:32,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:32,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:32,430 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:32,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32 WrapperNode [2023-11-19 04:00:32,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:32,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:32,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:32,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:32,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,518 INFO L138 Inliner]: procedures = 127, calls = 41, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 160 [2023-11-19 04:00:32,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:32,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:32,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:32,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:32,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:32,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:32,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:32,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:32,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:32" (1/1) ... [2023-11-19 04:00:32,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:32,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:32,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:32,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261b2a5b-dc98-4a0e-b949-5eaa30639d56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:00:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:00:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:00:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:00:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:00:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:00:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:32,841 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:32,844 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:33,486 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:33,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:33,559 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:00:33,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:33 BoogieIcfgContainer [2023-11-19 04:00:33,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:33,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:33,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:33,581 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:33,582 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:33" (1/1) ... [2023-11-19 04:00:33,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2023-11-19 04:00:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2023-11-19 04:00:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:00:33,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,046 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 04:00:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 104 states and 119 transitions. [2023-11-19 04:00:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2023-11-19 04:00:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:00:34,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,259 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 04:00:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 103 states and 118 transitions. [2023-11-19 04:00:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2023-11-19 04:00:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:00:34,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,479 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 04:00:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 102 states and 117 transitions. [2023-11-19 04:00:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2023-11-19 04:00:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:00:34,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,701 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 04:00:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2023-11-19 04:00:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2023-11-19 04:00:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:00:34,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,864 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 04:00:34,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2023-11-19 04:00:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2023-11-19 04:00:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:34,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,936 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 04:00:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 99 states and 114 transitions. [2023-11-19 04:00:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2023-11-19 04:00:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:34,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:35,061 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 04:00:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 98 states and 113 transitions. [2023-11-19 04:00:35,207 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2023-11-19 04:00:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:35,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:35,315 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 04:00:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 97 states and 112 transitions. [2023-11-19 04:00:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2023-11-19 04:00:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:35,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:35,573 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 04:00:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2023-11-19 04:00:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2023-11-19 04:00:35,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:00:35,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:35,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:35,933 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 04:00:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-19 04:00:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-19 04:00:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:00:35,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,184 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 04:00:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 94 states and 109 transitions. [2023-11-19 04:00:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2023-11-19 04:00:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:00:36,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:36,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,504 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 04:00:37,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2023-11-19 04:00:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2023-11-19 04:00:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:00:37,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:37,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:37,461 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 04:00:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 111 states and 130 transitions. [2023-11-19 04:00:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2023-11-19 04:00:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:00:38,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:38,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:38,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 121 states and 146 transitions. [2023-11-19 04:00:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2023-11-19 04:00:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:00:40,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:40,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 131 states and 165 transitions. [2023-11-19 04:00:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 165 transitions. [2023-11-19 04:00:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:00:43,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:43,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 133 states and 168 transitions. [2023-11-19 04:00:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2023-11-19 04:00:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:00:45,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:00:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 132 states and 167 transitions. [2023-11-19 04:00:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2023-11-19 04:00:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:00:45,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:00:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 131 states and 166 transitions. [2023-11-19 04:00:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 166 transitions. [2023-11-19 04:00:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:45,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:00:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 130 states and 165 transitions. [2023-11-19 04:00:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-11-19 04:00:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:45,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:00:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 129 states and 164 transitions. [2023-11-19 04:00:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2023-11-19 04:00:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:46,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:46,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:00:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 128 states and 163 transitions. [2023-11-19 04:00:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 163 transitions. [2023-11-19 04:00:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:46,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:46,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:00:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 127 states and 162 transitions. [2023-11-19 04:00:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2023-11-19 04:00:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:00:46,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:46,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:00:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 152 states and 211 transitions. [2023-11-19 04:00:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 211 transitions. [2023-11-19 04:00:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:00:54,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:01:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 177 states and 256 transitions. [2023-11-19 04:01:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 256 transitions. [2023-11-19 04:01:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:05,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:01:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 176 states and 255 transitions. [2023-11-19 04:01:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 255 transitions. [2023-11-19 04:01:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:05,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:01:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2023-11-19 04:01:05,249 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2023-11-19 04:01:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:05,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:01:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 174 states and 253 transitions. [2023-11-19 04:01:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-11-19 04:01:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:05,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:01:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 173 states and 252 transitions. [2023-11-19 04:01:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 252 transitions. [2023-11-19 04:01:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:05,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:09,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 182 states and 264 transitions. [2023-11-19 04:01:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 264 transitions. [2023-11-19 04:01:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:09,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2023-11-19 04:01:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2023-11-19 04:01:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:10,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-19 04:01:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-19 04:01:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:19,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat