./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.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_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/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_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/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_1861adfa-b9b8-44a2-a52f-9fe05640f08d/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 ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:16,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:16,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:01:16,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:16,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:16,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:16,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:16,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:16,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:16,298 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:16,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:16,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:16,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:16,302 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:01:16,302 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:01:16,303 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:01:16,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:16,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:16,304 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:16,304 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:16,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:16,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:16,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:16,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:16,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:16,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:16,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:16,310 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:16,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:16,311 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_1861adfa-b9b8-44a2-a52f-9fe05640f08d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 [2023-11-19 04:01:16,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:16,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:16,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:16,640 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:16,649 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:16,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2023-11-19 04:01:19,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:20,262 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:20,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2023-11-19 04:01:20,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/data/b5d85c679/2f461ee35f3848d98d9701074d2499dc/FLAG07c470560 [2023-11-19 04:01:20,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/data/b5d85c679/2f461ee35f3848d98d9701074d2499dc [2023-11-19 04:01:20,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:20,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:20,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:20,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:20,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:20,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:20" (1/1) ... [2023-11-19 04:01:20,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3b8216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:20, skipping insertion in model container [2023-11-19 04:01:20,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:20" (1/1) ... [2023-11-19 04:01:20,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:22,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:22,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:22,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:22,829 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:22,837 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:22,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22 WrapperNode [2023-11-19 04:01:22,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:22,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:22,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:22,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:22,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:22,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,035 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 202, calls inlined = 246, statements flattened = 1961 [2023-11-19 04:01:23,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:23,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:23,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:23,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:23,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:23,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:23,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:23,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:23,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:23,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:23,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:23,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:23,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861adfa-b9b8-44a2-a52f-9fe05640f08d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:01:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:01:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:01:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:01:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:01:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:23,752 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:23,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:26,920 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:27,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:27,898 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:01:27,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:27 BoogieIcfgContainer [2023-11-19 04:01:27,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:27,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:27,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:27,927 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:27,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:27" (1/1) ... [2023-11-19 04:01:27,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2023-11-19 04:01:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2023-11-19 04:01:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:01:28,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-19 04:01:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-19 04:01:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:01:29,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:30,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2023-11-19 04:01:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2023-11-19 04:01:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:01:30,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-19 04:01:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-19 04:01:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:01:31,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:31,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2023-11-19 04:01:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2023-11-19 04:01:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:01:31,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:31,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:33,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 531 states and 600 transitions. [2023-11-19 04:01:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 600 transitions. [2023-11-19 04:01:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:01:33,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-19 04:01:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-19 04:01:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:01:35,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:35,926 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 04:01:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-19 04:01:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-19 04:01:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:36,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:36,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:36,802 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 04:01:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 537 states and 606 transitions. [2023-11-19 04:01:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 606 transitions. [2023-11-19 04:01:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:37,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:37,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2023-11-19 04:01:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2023-11-19 04:01:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:38,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:01:40,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 539 states and 613 transitions. [2023-11-19 04:01:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 613 transitions. [2023-11-19 04:01:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:41,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:41,843 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 04:01:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 540 states and 614 transitions. [2023-11-19 04:01:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 614 transitions. [2023-11-19 04:01:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:01:42,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:42,605 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 04:01:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 539 states and 611 transitions. [2023-11-19 04:01:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 611 transitions. [2023-11-19 04:01:42,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:01:42,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,370 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 04:01:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 541 states and 613 transitions. [2023-11-19 04:01:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 613 transitions. [2023-11-19 04:01:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:47,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,242 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 04:01:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 540 states and 612 transitions. [2023-11-19 04:01:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 612 transitions. [2023-11-19 04:01:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:47,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,672 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 04:01:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2023-11-19 04:01:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2023-11-19 04:01:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:48,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,158 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 04:01:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 540 states and 614 transitions. [2023-11-19 04:01:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 614 transitions. [2023-11-19 04:01:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:48,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,589 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 04:01:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2023-11-19 04:01:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2023-11-19 04:01:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:48,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:49,218 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 04:01:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-19 04:01:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-19 04:01:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:49,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:49,884 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 04:01:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2023-11-19 04:01:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2023-11-19 04:01:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:50,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:50,334 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 04:01:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2023-11-19 04:01:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2023-11-19 04:01:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:51,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:51,524 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 04:01:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 538 states and 607 transitions. [2023-11-19 04:01:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 607 transitions. [2023-11-19 04:01:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:52,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:52,796 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 04:01:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 540 states and 609 transitions. [2023-11-19 04:01:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 609 transitions. [2023-11-19 04:01:53,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:01:53,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:53,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,112 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 04:01:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 542 states and 611 transitions. [2023-11-19 04:01:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 611 transitions. [2023-11-19 04:01:54,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:54,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:54,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:55,511 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 04:01:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 544 states and 613 transitions. [2023-11-19 04:01:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 613 transitions. [2023-11-19 04:01:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:56,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,898 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 04:01:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 546 states and 614 transitions. [2023-11-19 04:01:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 614 transitions. [2023-11-19 04:01:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:01:57,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:57,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.