./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi --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 ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:30,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:31,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:57:31,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:31,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:31,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:31,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:31,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:31,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:31,112 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:31,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:31,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:31,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:31,115 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:57:31,115 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:57:31,116 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:57:31,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:31,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:31,117 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:31,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:31,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:31,124 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:31,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:31,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:31,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:31,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:31,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:31,127 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:31,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:31,128 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_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 [2023-11-24 22:57:31,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:31,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:31,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:31,478 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:31,478 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:31,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2023-11-24 22:57:34,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:35,140 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:35,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2023-11-24 22:57:35,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/data/df829ecd9/55909335ad1446a8b071eed94f388567/FLAGc12703ce9 [2023-11-24 22:57:35,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/data/df829ecd9/55909335ad1446a8b071eed94f388567 [2023-11-24 22:57:35,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:35,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:35,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:35,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:35,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:35,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:35" (1/1) ... [2023-11-24 22:57:35,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dee08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:35, skipping insertion in model container [2023-11-24 22:57:35,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:35" (1/1) ... [2023-11-24 22:57:35,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:36,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:36,081 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:36,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:36,271 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:36,279 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:36,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36 WrapperNode [2023-11-24 22:57:36,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:36,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:36,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:36,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:36,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,466 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1674 [2023-11-24 22:57:36,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:36,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:36,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:36,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:36,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:36,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:36,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:36,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:36,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:36" (1/1) ... [2023-11-24 22:57:36,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:36,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:36,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:36,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf0ca5b-a212-4ebb-b889-4982339474fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:57:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:57:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:57:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:57:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:57:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:37,076 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:37,081 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:39,983 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:41,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:41,642 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-24 22:57:41,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:41 BoogieIcfgContainer [2023-11-24 22:57:41,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:41,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:41,646 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:41,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:41,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:41" (1/1) ... [2023-11-24 22:57:41,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1168 states and 1375 transitions. [2023-11-24 22:57:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1375 transitions. [2023-11-24 22:57:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:57:41,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:41,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1167 states and 1374 transitions. [2023-11-24 22:57:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1374 transitions. [2023-11-24 22:57:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:57:41,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:41,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1166 states and 1373 transitions. [2023-11-24 22:57:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1373 transitions. [2023-11-24 22:57:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:57:42,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1165 states and 1371 transitions. [2023-11-24 22:57:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1371 transitions. [2023-11-24 22:57:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:57:42,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1166 states and 1373 transitions. [2023-11-24 22:57:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1373 transitions. [2023-11-24 22:57:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:42,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1165 states and 1372 transitions. [2023-11-24 22:57:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1372 transitions. [2023-11-24 22:57:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:42,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1168 states and 1377 transitions. [2023-11-24 22:57:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1377 transitions. [2023-11-24 22:57:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:42,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1167 states and 1376 transitions. [2023-11-24 22:57:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1376 transitions. [2023-11-24 22:57:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:43,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:43,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1168 states and 1378 transitions. [2023-11-24 22:57:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1378 transitions. [2023-11-24 22:57:43,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:43,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:43,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1169 states and 1380 transitions. [2023-11-24 22:57:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1380 transitions. [2023-11-24 22:57:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:43,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:43,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:43,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1170 states and 1382 transitions. [2023-11-24 22:57:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1382 transitions. [2023-11-24 22:57:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:43,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:43,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1169 states and 1380 transitions. [2023-11-24 22:57:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1380 transitions. [2023-11-24 22:57:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:43,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:43,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1170 states and 1382 transitions. [2023-11-24 22:57:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1382 transitions. [2023-11-24 22:57:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:57:43,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1172 states and 1387 transitions. [2023-11-24 22:57:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1387 transitions. [2023-11-24 22:57:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:57:44,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:44,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1173 states and 1388 transitions. [2023-11-24 22:57:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1388 transitions. [2023-11-24 22:57:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:44,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:44,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1172 states and 1387 transitions. [2023-11-24 22:57:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1387 transitions. [2023-11-24 22:57:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:44,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:44,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1173 states and 1388 transitions. [2023-11-24 22:57:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1388 transitions. [2023-11-24 22:57:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:57:44,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:44,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1174 states and 1390 transitions. [2023-11-24 22:57:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1390 transitions. [2023-11-24 22:57:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:57:44,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:44,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:45,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1177 states and 1395 transitions. [2023-11-24 22:57:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1395 transitions. [2023-11-24 22:57:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:57:45,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:45,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1179 states and 1398 transitions. [2023-11-24 22:57:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1398 transitions. [2023-11-24 22:57:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:57:45,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:45,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:45,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:57:45,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1179 states and 1396 transitions. [2023-11-24 22:57:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1396 transitions. [2023-11-24 22:57:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:57:45,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:45,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:57:46,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1179 states and 1392 transitions. [2023-11-24 22:57:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1392 transitions. [2023-11-24 22:57:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:46,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:46,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:57:46,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:46,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1179 states and 1390 transitions. [2023-11-24 22:57:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1390 transitions. [2023-11-24 22:57:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:46,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:46,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:57:46,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:46,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:57:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1181 states and 1394 transitions. [2023-11-24 22:57:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1394 transitions. [2023-11-24 22:57:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:46,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:46,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:57:46,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:46,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1186 states and 1401 transitions. [2023-11-24 22:57:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1401 transitions. [2023-11-24 22:57:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:57:47,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:47,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:47,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:47,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:47,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1185 states and 1400 transitions. [2023-11-24 22:57:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1400 transitions. [2023-11-24 22:57:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:57:47,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:47,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:47,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:47,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:47,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1186 states and 1401 transitions. [2023-11-24 22:57:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1401 transitions. [2023-11-24 22:57:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:57:47,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:47,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:47,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:47,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:48,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1188 states and 1407 transitions. [2023-11-24 22:57:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1407 transitions. [2023-11-24 22:57:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:48,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:48,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:48,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1187 states and 1406 transitions. [2023-11-24 22:57:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1406 transitions. [2023-11-24 22:57:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:48,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:48,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:48,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:48,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:48,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1188 states and 1408 transitions. [2023-11-24 22:57:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1408 transitions. [2023-11-24 22:57:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:57:48,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:48,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:48,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:48,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1187 states and 1407 transitions. [2023-11-24 22:57:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1407 transitions. [2023-11-24 22:57:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:57:48,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:48,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:49,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:49,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:49,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1188 states and 1409 transitions. [2023-11-24 22:57:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1409 transitions. [2023-11-24 22:57:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:57:49,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:49,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:49,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1191 states and 1415 transitions. [2023-11-24 22:57:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1415 transitions. [2023-11-24 22:57:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:49,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:49,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:49,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:49,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1190 states and 1414 transitions. [2023-11-24 22:57:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1414 transitions. [2023-11-24 22:57:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:50,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:50,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:50,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:50,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1191 states and 1416 transitions. [2023-11-24 22:57:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1416 transitions. [2023-11-24 22:57:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:57:50,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:50,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:50,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:50,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1190 states and 1415 transitions. [2023-11-24 22:57:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1415 transitions. [2023-11-24 22:57:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:57:50,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:50,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:50,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:50,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:50,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1191 states and 1417 transitions. [2023-11-24 22:57:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1417 transitions. [2023-11-24 22:57:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:57:51,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:51,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:51,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:51,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1194 states and 1421 transitions. [2023-11-24 22:57:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1421 transitions. [2023-11-24 22:57:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:51,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:51,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:51,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:51,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1193 states and 1420 transitions. [2023-11-24 22:57:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1420 transitions. [2023-11-24 22:57:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:51,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:51,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:51,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:51,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:51,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1194 states and 1422 transitions. [2023-11-24 22:57:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1422 transitions. [2023-11-24 22:57:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:57:52,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:52,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:52,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:52,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1193 states and 1421 transitions. [2023-11-24 22:57:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1421 transitions. [2023-11-24 22:57:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:57:52,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:52,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:52,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:52,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:52,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1194 states and 1423 transitions. [2023-11-24 22:57:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1423 transitions. [2023-11-24 22:57:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:57:52,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:53,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:53,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1197 states and 1427 transitions. [2023-11-24 22:57:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1427 transitions. [2023-11-24 22:57:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:53,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:53,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:53,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1196 states and 1426 transitions. [2023-11-24 22:57:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1426 transitions. [2023-11-24 22:57:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:53,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:53,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:53,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:53,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1197 states and 1428 transitions. [2023-11-24 22:57:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1428 transitions. [2023-11-24 22:57:53,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:57:53,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:53,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:53,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:53,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1196 states and 1427 transitions. [2023-11-24 22:57:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1427 transitions. [2023-11-24 22:57:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:57:53,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:53,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:54,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:54,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:54,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:54,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1197 states and 1429 transitions. [2023-11-24 22:57:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1429 transitions. [2023-11-24 22:57:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:57:54,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:54,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:54,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1200 states and 1433 transitions. [2023-11-24 22:57:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1433 transitions. [2023-11-24 22:57:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:57:54,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:54,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:54,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:54,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1199 states and 1432 transitions. [2023-11-24 22:57:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1432 transitions. [2023-11-24 22:57:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:57:54,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:54,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:55,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:55,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:55,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1200 states and 1434 transitions. [2023-11-24 22:57:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1434 transitions. [2023-11-24 22:57:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:57:55,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:55,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:55,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:55,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1199 states and 1433 transitions. [2023-11-24 22:57:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1433 transitions. [2023-11-24 22:57:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:57:55,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:55,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:55,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:55,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:55,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:57:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1200 states and 1435 transitions. [2023-11-24 22:57:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1435 transitions. [2023-11-24 22:57:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:57:56,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:56,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:56,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:56,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1203 states and 1439 transitions. [2023-11-24 22:57:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1439 transitions. [2023-11-24 22:57:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:57:56,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:56,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:56,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:56,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1206 states and 1443 transitions. [2023-11-24 22:57:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1443 transitions. [2023-11-24 22:57:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:57:56,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:56,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:56,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:57:56,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:06,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:58:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1206 states and 1441 transitions. [2023-11-24 22:58:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1441 transitions. [2023-11-24 22:58:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:58:06,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:06,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:58:06,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:07,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:58:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1222 states and 1459 transitions. [2023-11-24 22:58:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1459 transitions. [2023-11-24 22:58:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:58:07,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:07,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:07,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:07,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:07,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:58:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1238 states and 1484 transitions. [2023-11-24 22:58:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1484 transitions. [2023-11-24 22:58:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:08,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:08,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:08,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:58:08,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:08,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:58:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:20,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []