./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.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_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/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_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/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_bccf1608-e8ca-42f8-bccd-260733101e23/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 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:11,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:11,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:44:11,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:11,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:11,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:11,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:11,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:11,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:11,940 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:11,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:11,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:11,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:11,944 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:44:11,945 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:44:11,945 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:44:11,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:11,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:44:11,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:11,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:11,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:11,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:11,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:11,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:11,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:11,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:11,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:11,951 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:11,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:11,952 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_bccf1608-e8ca-42f8-bccd-260733101e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2023-11-19 03:44:12,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:12,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:12,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:12,374 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:12,375 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:12,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-19 03:44:15,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:15,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:15,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-19 03:44:15,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/data/7b57d4aeb/1a0be875d4144cf989048186b4dbdd76/FLAG88a4f2b58 [2023-11-19 03:44:15,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/data/7b57d4aeb/1a0be875d4144cf989048186b4dbdd76 [2023-11-19 03:44:15,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:15,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:15,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:15,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:15,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:15,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:15" (1/1) ... [2023-11-19 03:44:15,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39803d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:15, skipping insertion in model container [2023-11-19 03:44:15,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:15" (1/1) ... [2023-11-19 03:44:16,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:17,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:17,583 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:17,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:18,029 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:44:18,084 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:18,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18 WrapperNode [2023-11-19 03:44:18,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:18,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:18,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:18,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:18,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,351 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 202, calls inlined = 264, statements flattened = 2051 [2023-11-19 03:44:18,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:18,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:18,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:18,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:18,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:18,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:18,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:18,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:18,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:18" (1/1) ... [2023-11-19 03:44:18,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:18,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:18,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:18,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccf1608-e8ca-42f8-bccd-260733101e23/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:44:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:44:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:44:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:44:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:44:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:44:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:44:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:44:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:44:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:44:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:19,001 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:19,003 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:21,999 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:23,100 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:23,102 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:44:23,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:23 BoogieIcfgContainer [2023-11-19 03:44:23,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:23,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:23,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:23,129 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:23,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 572 states and 650 transitions. [2023-11-19 03:44:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 650 transitions. [2023-11-19 03:44:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:44:23,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:23,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:23,974 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 03:44:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2023-11-19 03:44:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2023-11-19 03:44:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:44:24,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:24,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:25,416 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 03:44:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 570 states and 648 transitions. [2023-11-19 03:44:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 648 transitions. [2023-11-19 03:44:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:44:26,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:26,725 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 03:44:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2023-11-19 03:44:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2023-11-19 03:44:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:44:26,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,310 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 03:44:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 568 states and 646 transitions. [2023-11-19 03:44:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 646 transitions. [2023-11-19 03:44:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:44:27,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,817 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 03:44:28,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:44:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 567 states and 645 transitions. [2023-11-19 03:44:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 645 transitions. [2023-11-19 03:44:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:44:29,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:29,733 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 03:44:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2023-11-19 03:44:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2023-11-19 03:44:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:44:31,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:31,864 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 03:44:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2023-11-19 03:44:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2023-11-19 03:44:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:44:32,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:32,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:33,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 573 states and 651 transitions. [2023-11-19 03:44:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 651 transitions. [2023-11-19 03:44:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:44:33,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 575 states and 653 transitions. [2023-11-19 03:44:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 653 transitions. [2023-11-19 03:44:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:44:34,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:34,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 574 states and 652 transitions. [2023-11-19 03:44:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 652 transitions. [2023-11-19 03:44:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:36,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:36,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:36,788 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 03:44:38,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:44:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 577 states and 660 transitions. [2023-11-19 03:44:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 660 transitions. [2023-11-19 03:44:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:40,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:40,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:40,806 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 03:44:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 580 states and 665 transitions. [2023-11-19 03:44:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 665 transitions. [2023-11-19 03:44:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:44:44,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:44,807 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 03:44:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 579 states and 664 transitions. [2023-11-19 03:44:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 664 transitions. [2023-11-19 03:44:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:44:44,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:45,381 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 03:44:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 580 states and 667 transitions. [2023-11-19 03:44:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 667 transitions. [2023-11-19 03:44:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:44:45,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:45,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:44:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 579 states and 664 transitions. [2023-11-19 03:44:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 664 transitions. [2023-11-19 03:44:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:44:46,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:46,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 582 states and 669 transitions. [2023-11-19 03:44:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 669 transitions. [2023-11-19 03:44:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:44:49,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:49,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 585 states and 673 transitions. [2023-11-19 03:44:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 673 transitions. [2023-11-19 03:44:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:44:51,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:51,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 588 states and 677 transitions. [2023-11-19 03:44:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 677 transitions. [2023-11-19 03:44:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:44:52,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:52,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 591 states and 681 transitions. [2023-11-19 03:44:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 681 transitions. [2023-11-19 03:44:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:54,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:54,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 594 states and 684 transitions. [2023-11-19 03:44:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 684 transitions. [2023-11-19 03:44:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:44:56,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:56,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:44:58,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 588 states and 671 transitions. [2023-11-19 03:44:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 671 transitions. [2023-11-19 03:44:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:44:58,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:58,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:58,308 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 03:44:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 587 states and 670 transitions. [2023-11-19 03:44:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 670 transitions. [2023-11-19 03:44:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:44:58,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 03:44:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 588 states and 671 transitions. [2023-11-19 03:44:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 671 transitions. [2023-11-19 03:44:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:44:59,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:59,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 03:44:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 582 states and 660 transitions. [2023-11-19 03:44:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 660 transitions. [2023-11-19 03:44:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:44:59,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:59,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.