./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.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_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/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_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/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_28fbf048-564c-4eeb-85e6-1e414d80e91a/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 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:26,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:26,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:13:26,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:26,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:26,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:26,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:26,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:26,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:26,510 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:26,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:26,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:26,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:26,512 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:13:26,513 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:13:26,513 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:13:26,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:26,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:26,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:26,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:26,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:26,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:26,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:26,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:26,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:26,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:26,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:26,521 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:26,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:26,522 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_28fbf048-564c-4eeb-85e6-1e414d80e91a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2023-11-24 23:13:26,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:26,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:26,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:26,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:26,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:26,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-11-24 23:13:30,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:30,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:30,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-11-24 23:13:30,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/data/91ca2caf3/f44d1ef1c7864b0c821a8e425c6ca2e6/FLAG3fe2694a4 [2023-11-24 23:13:30,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/data/91ca2caf3/f44d1ef1c7864b0c821a8e425c6ca2e6 [2023-11-24 23:13:30,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:30,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:30,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:30,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:30,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:30,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ebdc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30, skipping insertion in model container [2023-11-24 23:13:30,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:31,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:31,338 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:31,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:31,551 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:31,558 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:31,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31 WrapperNode [2023-11-24 23:13:31,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:31,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:31,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:31,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:31,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,733 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1596 [2023-11-24 23:13:31,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:31,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:31,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:31,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:31,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:31,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:31,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:31,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:31,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:31,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:31,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fbf048-564c-4eeb-85e6-1e414d80e91a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:13:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:13:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:13:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:13:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:13:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:13:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:32,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:32,335 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:32,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:35,368 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:37,025 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:37,025 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-24 23:13:37,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:37 BoogieIcfgContainer [2023-11-24 23:13:37,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:37,029 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:37,029 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:37,040 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:37,040 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1172 states and 1324 transitions. [2023-11-24 23:13:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1324 transitions. [2023-11-24 23:13:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:13:37,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,436 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 23:13:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1171 states and 1323 transitions. [2023-11-24 23:13:37,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1323 transitions. [2023-11-24 23:13:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:13:37,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,565 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 23:13:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1170 states and 1322 transitions. [2023-11-24 23:13:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1322 transitions. [2023-11-24 23:13:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:13:37,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,679 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 23:13:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1169 states and 1320 transitions. [2023-11-24 23:13:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1320 transitions. [2023-11-24 23:13:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:13:37,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,766 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 23:13:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1170 states and 1322 transitions. [2023-11-24 23:13:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1322 transitions. [2023-11-24 23:13:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:37,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,930 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 23:13:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1169 states and 1321 transitions. [2023-11-24 23:13:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1321 transitions. [2023-11-24 23:13:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:37,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,202 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 23:13:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1171 states and 1324 transitions. [2023-11-24 23:13:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1324 transitions. [2023-11-24 23:13:38,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:38,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,303 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 23:13:38,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1170 states and 1323 transitions. [2023-11-24 23:13:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1323 transitions. [2023-11-24 23:13:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:38,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,382 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 23:13:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1171 states and 1324 transitions. [2023-11-24 23:13:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1324 transitions. [2023-11-24 23:13:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:38,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,461 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 23:13:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1172 states and 1326 transitions. [2023-11-24 23:13:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1326 transitions. [2023-11-24 23:13:38,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:38,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,679 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 23:13:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1173 states and 1328 transitions. [2023-11-24 23:13:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1328 transitions. [2023-11-24 23:13:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:38,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,961 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 23:13:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1172 states and 1326 transitions. [2023-11-24 23:13:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1326 transitions. [2023-11-24 23:13:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:38,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,023 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 23:13:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1173 states and 1328 transitions. [2023-11-24 23:13:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1328 transitions. [2023-11-24 23:13:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:13:39,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,098 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 23:13:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1175 states and 1332 transitions. [2023-11-24 23:13:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1332 transitions. [2023-11-24 23:13:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:13:39,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,260 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 23:13:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1176 states and 1333 transitions. [2023-11-24 23:13:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1333 transitions. [2023-11-24 23:13:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:39,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,422 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 23:13:39,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1175 states and 1332 transitions. [2023-11-24 23:13:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1332 transitions. [2023-11-24 23:13:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:39,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,534 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 23:13:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1176 states and 1333 transitions. [2023-11-24 23:13:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1333 transitions. [2023-11-24 23:13:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:13:39,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1177 states and 1335 transitions. [2023-11-24 23:13:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1335 transitions. [2023-11-24 23:13:39,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:13:39,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,710 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 23:13:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1180 states and 1339 transitions. [2023-11-24 23:13:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1339 transitions. [2023-11-24 23:13:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:39,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,882 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 23:13:40,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1182 states and 1342 transitions. [2023-11-24 23:13:40,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1342 transitions. [2023-11-24 23:13:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:13:40,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:40,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:40,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:40,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:40,363 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 23:13:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1182 states and 1340 transitions. [2023-11-24 23:13:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1340 transitions. [2023-11-24 23:13:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:13:40,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:40,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:40,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:40,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:40,462 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 23:13:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1182 states and 1336 transitions. [2023-11-24 23:13:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1336 transitions. [2023-11-24 23:13:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:13:40,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:40,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:40,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:40,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:40,563 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 23:13:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1182 states and 1334 transitions. [2023-11-24 23:13:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1334 transitions. [2023-11-24 23:13:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:13:40,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:40,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:40,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:13:40,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:40,718 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 23:13:40,782 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 23:13:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1184 states and 1338 transitions. [2023-11-24 23:13:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1338 transitions. [2023-11-24 23:13:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:13:40,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:40,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:13:40,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:40,977 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 23:13:41,077 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 23:13:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1189 states and 1345 transitions. [2023-11-24 23:13:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1345 transitions. [2023-11-24 23:13:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:13:41,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:41,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:41,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:41,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:41,584 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 23:13:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:41,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1191 states and 1351 transitions. [2023-11-24 23:13:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1351 transitions. [2023-11-24 23:13:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:13:41,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:41,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:41,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:41,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:42,006 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 23:13:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1190 states and 1350 transitions. [2023-11-24 23:13:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1350 transitions. [2023-11-24 23:13:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:13:42,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:42,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:42,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:42,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:42,116 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 23:13:42,288 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 23:13:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1191 states and 1351 transitions. [2023-11-24 23:13:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1351 transitions. [2023-11-24 23:13:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:13:42,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:42,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:42,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:42,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:42,507 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 23:13:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1190 states and 1350 transitions. [2023-11-24 23:13:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1350 transitions. [2023-11-24 23:13:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:13:42,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:42,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:42,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:42,638 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 23:13:42,755 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 23:13:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1191 states and 1352 transitions. [2023-11-24 23:13:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1352 transitions. [2023-11-24 23:13:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:13:43,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:43,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:43,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:13:43,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:43,200 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 23:13:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1194 states and 1358 transitions. [2023-11-24 23:13:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1358 transitions. [2023-11-24 23:13:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:13:43,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:43,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:43,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:43,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:43,529 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 23:13:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1193 states and 1357 transitions. [2023-11-24 23:13:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1357 transitions. [2023-11-24 23:13:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:13:43,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:43,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:43,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:43,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:43,659 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 23:13:43,781 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 23:13:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:44,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1194 states and 1359 transitions. [2023-11-24 23:13:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1359 transitions. [2023-11-24 23:13:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:44,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:44,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:44,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:44,257 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 23:13:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1193 states and 1358 transitions. [2023-11-24 23:13:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1358 transitions. [2023-11-24 23:13:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:44,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:44,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:44,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:44,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:44,385 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 23:13:44,535 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 23:13:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1194 states and 1360 transitions. [2023-11-24 23:13:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1360 transitions. [2023-11-24 23:13:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:44,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:44,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:13:44,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:45,014 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 23:13:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1197 states and 1364 transitions. [2023-11-24 23:13:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1364 transitions. [2023-11-24 23:13:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:45,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:45,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:45,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:45,215 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 23:13:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1196 states and 1363 transitions. [2023-11-24 23:13:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1363 transitions. [2023-11-24 23:13:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:45,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:45,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:45,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:45,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:45,361 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 23:13:45,503 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 23:13:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1197 states and 1365 transitions. [2023-11-24 23:13:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1365 transitions. [2023-11-24 23:13:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:13:45,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:45,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:46,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:46,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:46,027 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 23:13:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1196 states and 1364 transitions. [2023-11-24 23:13:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1364 transitions. [2023-11-24 23:13:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:13:46,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:46,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:46,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:46,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:46,167 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 23:13:46,312 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 23:13:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1197 states and 1366 transitions. [2023-11-24 23:13:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1366 transitions. [2023-11-24 23:13:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:13:46,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:46,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:46,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:13:46,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:46,798 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 23:13:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1200 states and 1370 transitions. [2023-11-24 23:13:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1370 transitions. [2023-11-24 23:13:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:13:46,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:46,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:46,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:46,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:46,941 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 23:13:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1199 states and 1369 transitions. [2023-11-24 23:13:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1369 transitions. [2023-11-24 23:13:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:13:46,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:46,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:47,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:47,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:47,072 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 23:13:47,208 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 23:13:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1200 states and 1371 transitions. [2023-11-24 23:13:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1371 transitions. [2023-11-24 23:13:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:13:47,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:47,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:47,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:47,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:47,740 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 23:13:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1199 states and 1370 transitions. [2023-11-24 23:13:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1370 transitions. [2023-11-24 23:13:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:13:47,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:47,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:47,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:47,859 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 23:13:47,998 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 23:13:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1200 states and 1372 transitions. [2023-11-24 23:13:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1372 transitions. [2023-11-24 23:13:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:48,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:48,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:48,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:13:48,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1203 states and 1376 transitions. [2023-11-24 23:13:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1376 transitions. [2023-11-24 23:13:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:48,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:48,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:48,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:48,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:48,586 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 23:13:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1202 states and 1375 transitions. [2023-11-24 23:13:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1375 transitions. [2023-11-24 23:13:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:48,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:48,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:48,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:48,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:48,706 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 23:13:48,854 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 23:13:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1203 states and 1377 transitions. [2023-11-24 23:13:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1377 transitions. [2023-11-24 23:13:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:49,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:49,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:49,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:49,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:49,328 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 23:13:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1202 states and 1376 transitions. [2023-11-24 23:13:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1376 transitions. [2023-11-24 23:13:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:49,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:49,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:49,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:49,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:49,516 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 23:13:49,679 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 23:13:50,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1203 states and 1378 transitions. [2023-11-24 23:13:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1378 transitions. [2023-11-24 23:13:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:50,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:50,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:13:50,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:50,158 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 23:13:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1206 states and 1382 transitions. [2023-11-24 23:13:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1382 transitions. [2023-11-24 23:13:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:50,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:50,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:13:50,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:50,297 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 23:13:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1205 states and 1381 transitions. [2023-11-24 23:13:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1381 transitions. [2023-11-24 23:13:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:50,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:50,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:50,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:50,421 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 23:13:50,579 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 23:13:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1206 states and 1383 transitions. [2023-11-24 23:13:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1383 transitions. [2023-11-24 23:13:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:13:50,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:50,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:51,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:13:51,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:51,096 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 23:13:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1209 states and 1387 transitions. [2023-11-24 23:13:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1387 transitions. [2023-11-24 23:13:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:51,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:51,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:51,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:13:51,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:51,219 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 23:13:51,258 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 23:13:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1225 states and 1405 transitions. [2023-11-24 23:13:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1405 transitions. [2023-11-24 23:13:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:51,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:51,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:51,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:13:51,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:51,918 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 23:13:52,027 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 23:13:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1241 states and 1430 transitions. [2023-11-24 23:13:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1430 transitions. [2023-11-24 23:13:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:52,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:52,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:52,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:52,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:52,798 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 23:14:02,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1241 states and 1428 transitions. [2023-11-24 23:14:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1428 transitions. [2023-11-24 23:14:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:14:02,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:02,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:03,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:14:03,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:13,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:23,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []