./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.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_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/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_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/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_f4a630e9-7554-46e2-b0f8-8522636201e9/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 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:36:11,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:36:11,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:36:11,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:36:11,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:36:11,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:36:11,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:36:11,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:36:11,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:36:11,405 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:36:11,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:36:11,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:36:11,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:36:11,408 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:36:11,409 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:36:11,409 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:36:11,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:36:11,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:36:11,411 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:36:11,411 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:36:11,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:36:11,412 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:36:11,413 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:36:11,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:36:11,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:11,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:36:11,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:36:11,417 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:36:11,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:36:11,418 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_f4a630e9-7554-46e2-b0f8-8522636201e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2023-11-19 03:36:11,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:36:11,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:36:11,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:36:11,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:36:11,765 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:36:11,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2023-11-19 03:36:15,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:36:15,567 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:36:15,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2023-11-19 03:36:15,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/data/079488f08/9f035c0054ac4b84934eed6b4d9ed2e8/FLAG2e27c0ba1 [2023-11-19 03:36:15,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/data/079488f08/9f035c0054ac4b84934eed6b4d9ed2e8 [2023-11-19 03:36:15,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:36:15,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:36:15,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:15,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:36:15,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:36:15,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:15" (1/1) ... [2023-11-19 03:36:15,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b41c11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:15, skipping insertion in model container [2023-11-19 03:36:15,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:15" (1/1) ... [2023-11-19 03:36:15,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:36:17,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:17,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:36:17,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:17,675 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:17,683 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:36:17,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17 WrapperNode [2023-11-19 03:36:17,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:17,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:17,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:36:17,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:36:17,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,886 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 202, calls inlined = 246, statements flattened = 1961 [2023-11-19 03:36:17,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:17,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:36:17,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:36:17,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:36:17,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:17,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:18,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:18,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:36:18,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:36:18,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:36:18,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:36:18,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:17" (1/1) ... [2023-11-19 03:36:18,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:18,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:36:18,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:36:18,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a630e9-7554-46e2-b0f8-8522636201e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:36:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:36:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:36:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:36:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:36:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:36:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:36:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:36:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:36:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:36:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:36:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:36:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:36:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:36:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:36:18,539 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:36:18,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:36:21,384 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:36:22,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:36:22,299 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:36:22,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:22 BoogieIcfgContainer [2023-11-19 03:36:22,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:36:22,308 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:36:22,308 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:36:22,318 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:36:22,318 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:22" (1/1) ... [2023-11-19 03:36:22,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:36:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2023-11-19 03:36:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2023-11-19 03:36:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:36:22,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:22,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:23,138 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 03:36:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-19 03:36:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-19 03:36:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:36:23,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:24,408 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 03:36:25,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2023-11-19 03:36:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2023-11-19 03:36:25,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:36:25,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:25,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:25,439 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 03:36:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-19 03:36:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-19 03:36:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:36:25,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:25,885 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 03:36:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2023-11-19 03:36:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2023-11-19 03:36:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:36:25,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:25,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:26,246 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 03:36:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 531 states and 600 transitions. [2023-11-19 03:36:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 600 transitions. [2023-11-19 03:36:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:36:27,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:27,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:27,593 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 03:36:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-19 03:36:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-19 03:36:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:36:28,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:28,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:36:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2023-11-19 03:36:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2023-11-19 03:36:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:36:29,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:30,050 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 03:36:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-19 03:36:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-19 03:36:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:36:30,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:30,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:36:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 535 states and 607 transitions. [2023-11-19 03:36:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 607 transitions. [2023-11-19 03:36:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:36:32,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:32,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:36:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 537 states and 609 transitions. [2023-11-19 03:36:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 609 transitions. [2023-11-19 03:36:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:36:33,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:33,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:36:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 539 states and 611 transitions. [2023-11-19 03:36:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 611 transitions. [2023-11-19 03:36:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:36:34,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:34,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:36:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 541 states and 613 transitions. [2023-11-19 03:36:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 613 transitions. [2023-11-19 03:36:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:36:38,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:38,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:36:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 540 states and 612 transitions. [2023-11-19 03:36:39,225 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 612 transitions. [2023-11-19 03:36:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:36:39,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:39,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:36:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2023-11-19 03:36:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2023-11-19 03:36:39,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:36:39,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:39,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:40,109 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:36:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 540 states and 614 transitions. [2023-11-19 03:36:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 614 transitions. [2023-11-19 03:36:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:36:40,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:36:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2023-11-19 03:36:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2023-11-19 03:36:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:36:40,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:40,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:36:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-19 03:36:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-19 03:36:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:36:41,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:41,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:36:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2023-11-19 03:36:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2023-11-19 03:36:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:36:41,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:36:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2023-11-19 03:36:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2023-11-19 03:36:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:36:42,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:42,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:36:44,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 538 states and 607 transitions. [2023-11-19 03:36:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 607 transitions. [2023-11-19 03:36:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:36:44,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:44,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:36:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 540 states and 609 transitions. [2023-11-19 03:36:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 609 transitions. [2023-11-19 03:36:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:36:45,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:45,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:36:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 542 states and 611 transitions. [2023-11-19 03:36:46,635 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 611 transitions. [2023-11-19 03:36:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:36:46,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:36:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 544 states and 613 transitions. [2023-11-19 03:36:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 613 transitions. [2023-11-19 03:36:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:36:47,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:47,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:36:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 546 states and 614 transitions. [2023-11-19 03:36:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 614 transitions. [2023-11-19 03:36:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:36:49,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:49,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-19 03:36:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 548 states and 619 transitions. [2023-11-19 03:36:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 619 transitions. [2023-11-19 03:36:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:36:58,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:58,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-19 03:36:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 545 states and 613 transitions. [2023-11-19 03:36:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 613 transitions. [2023-11-19 03:36:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:36:59,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:59,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.