./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:12,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:12,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:53:12,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:12,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:12,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:12,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:12,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:12,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:12,620 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:12,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:12,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:12,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:12,622 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:53:12,623 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:53:12,624 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:53:12,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:12,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:12,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:12,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:12,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:12,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:12,629 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:12,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:12,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:12,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:12,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:12,632 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:12,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:12,633 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_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2023-11-19 02:53:12,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:12,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:12,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:12,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:12,978 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:12,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-11-19 02:53:16,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:16,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:16,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-11-19 02:53:16,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/data/59d7df1bd/9d7dba7576114f13892f071d4c610ca8/FLAG9d94d2651 [2023-11-19 02:53:16,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/data/59d7df1bd/9d7dba7576114f13892f071d4c610ca8 [2023-11-19 02:53:16,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:16,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:16,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:16,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:16,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:16,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:16" (1/1) ... [2023-11-19 02:53:16,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7636f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:16, skipping insertion in model container [2023-11-19 02:53:16,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:16" (1/1) ... [2023-11-19 02:53:16,786 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:17,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:17,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:17,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:17,816 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:17,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17 WrapperNode [2023-11-19 02:53:17,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:17,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:17,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:17,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:17,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:17,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,018 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1922 [2023-11-19 02:53:18,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:18,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:18,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:18,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:18,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:18,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:18,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:18,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:18,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:18,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:18,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:18,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:18,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bfc1e1-96d6-433d-97de-ee59a2bf55a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:53:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:53:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:53:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:18,608 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:18,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:21,990 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:23,991 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:23,992 INFO L302 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-19 02:53:24,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:24 BoogieIcfgContainer [2023-11-19 02:53:24,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:24,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:24,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:24,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:24,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:24" (1/1) ... [2023-11-19 02:53:24,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1542 states and 1720 transitions. [2023-11-19 02:53:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1720 transitions. [2023-11-19 02:53:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:53:24,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1541 states and 1719 transitions. [2023-11-19 02:53:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1719 transitions. [2023-11-19 02:53:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:53:24,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1540 states and 1718 transitions. [2023-11-19 02:53:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1718 transitions. [2023-11-19 02:53:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:53:24,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1541 states and 1720 transitions. [2023-11-19 02:53:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1720 transitions. [2023-11-19 02:53:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:53:24,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1540 states and 1719 transitions. [2023-11-19 02:53:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1719 transitions. [2023-11-19 02:53:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:53:24,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1539 states and 1718 transitions. [2023-11-19 02:53:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1718 transitions. [2023-11-19 02:53:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:24,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1539 states and 1712 transitions. [2023-11-19 02:53:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1712 transitions. [2023-11-19 02:53:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:53:25,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1539 states and 1710 transitions. [2023-11-19 02:53:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1710 transitions. [2023-11-19 02:53:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:53:25,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,374 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 [2023-11-19 02:53:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1541 states and 1714 transitions. [2023-11-19 02:53:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1714 transitions. [2023-11-19 02:53:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:53:25,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,642 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 [2023-11-19 02:53:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1543 states and 1718 transitions. [2023-11-19 02:53:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1718 transitions. [2023-11-19 02:53:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:25,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1545 states and 1724 transitions. [2023-11-19 02:53:26,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1724 transitions. [2023-11-19 02:53:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:26,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:26,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:26,265 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 [2023-11-19 02:53:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1546 states and 1726 transitions. [2023-11-19 02:53:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1726 transitions. [2023-11-19 02:53:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:26,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:26,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1546 states and 1725 transitions. [2023-11-19 02:53:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1725 transitions. [2023-11-19 02:53:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:53:26,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:26,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1545 states and 1724 transitions. [2023-11-19 02:53:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1724 transitions. [2023-11-19 02:53:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:53:26,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:26,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:26,873 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 [2023-11-19 02:53:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1546 states and 1726 transitions. [2023-11-19 02:53:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1726 transitions. [2023-11-19 02:53:27,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:27,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:27,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1549 states and 1732 transitions. [2023-11-19 02:53:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1732 transitions. [2023-11-19 02:53:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:27,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:27,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1548 states and 1731 transitions. [2023-11-19 02:53:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1731 transitions. [2023-11-19 02:53:27,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:27,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:27,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:27,713 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 [2023-11-19 02:53:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1549 states and 1733 transitions. [2023-11-19 02:53:28,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1733 transitions. [2023-11-19 02:53:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:53:28,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:28,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1548 states and 1732 transitions. [2023-11-19 02:53:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1732 transitions. [2023-11-19 02:53:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:53:28,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:28,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,262 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 [2023-11-19 02:53:28,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1549 states and 1734 transitions. [2023-11-19 02:53:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1734 transitions. [2023-11-19 02:53:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:28,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:28,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1552 states and 1738 transitions. [2023-11-19 02:53:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1738 transitions. [2023-11-19 02:53:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:28,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:28,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1551 states and 1737 transitions. [2023-11-19 02:53:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1737 transitions. [2023-11-19 02:53:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:28,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:28,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,989 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 [2023-11-19 02:53:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:29,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1552 states and 1739 transitions. [2023-11-19 02:53:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1739 transitions. [2023-11-19 02:53:29,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:53:29,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:29,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:29,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:29,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:29,454 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 [2023-11-19 02:53:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1553 states and 1742 transitions. [2023-11-19 02:53:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1742 transitions. [2023-11-19 02:53:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:53:29,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:29,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:29,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:29,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1553 states and 1741 transitions. [2023-11-19 02:53:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1741 transitions. [2023-11-19 02:53:29,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:53:29,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:29,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:30,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:30,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:30,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1556 states and 1745 transitions. [2023-11-19 02:53:30,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1745 transitions. [2023-11-19 02:53:30,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:53:30,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:30,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:30,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:30,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1555 states and 1744 transitions. [2023-11-19 02:53:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1744 transitions. [2023-11-19 02:53:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:53:30,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:30,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:30,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:30,361 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 [2023-11-19 02:53:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1556 states and 1746 transitions. [2023-11-19 02:53:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1746 transitions. [2023-11-19 02:53:30,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:53:30,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:30,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:30,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1555 states and 1745 transitions. [2023-11-19 02:53:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1745 transitions. [2023-11-19 02:53:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:53:30,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:31,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:31,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:31,104 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 [2023-11-19 02:53:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1556 states and 1747 transitions. [2023-11-19 02:53:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1747 transitions. [2023-11-19 02:53:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:53:31,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:31,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:31,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:31,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1559 states and 1751 transitions. [2023-11-19 02:53:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1751 transitions. [2023-11-19 02:53:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:53:31,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:31,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:31,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:31,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1558 states and 1750 transitions. [2023-11-19 02:53:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1750 transitions. [2023-11-19 02:53:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:53:31,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:31,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:31,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:31,890 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 [2023-11-19 02:53:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1559 states and 1752 transitions. [2023-11-19 02:53:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1752 transitions. [2023-11-19 02:53:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:53:32,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:32,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:32,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1558 states and 1751 transitions. [2023-11-19 02:53:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1751 transitions. [2023-11-19 02:53:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:53:32,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:32,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:32,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:32,504 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 [2023-11-19 02:53:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1559 states and 1753 transitions. [2023-11-19 02:53:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1753 transitions. [2023-11-19 02:53:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:32,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:32,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:33,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1562 states and 1757 transitions. [2023-11-19 02:53:33,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1757 transitions. [2023-11-19 02:53:33,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:33,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:33,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:33,171 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 [2023-11-19 02:53:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1563 states and 1760 transitions. [2023-11-19 02:53:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1760 transitions. [2023-11-19 02:53:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:33,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:33,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1563 states and 1759 transitions. [2023-11-19 02:53:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1759 transitions. [2023-11-19 02:53:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:53:33,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:33,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:33,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1566 states and 1763 transitions. [2023-11-19 02:53:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1763 transitions. [2023-11-19 02:53:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:33,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:53:34,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:34,006 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 [2023-11-19 02:53:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:34,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1582 states and 1781 transitions. [2023-11-19 02:53:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1781 transitions. [2023-11-19 02:53:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:34,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:34,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:34,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:53:34,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:34,480 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 [2023-11-19 02:53:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1598 states and 1806 transitions. [2023-11-19 02:53:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1806 transitions. [2023-11-19 02:53:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:35,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:35,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:35,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:35,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:45,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1598 states and 1804 transitions. [2023-11-19 02:53:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1804 transitions. [2023-11-19 02:53:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:53:45,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:45,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:45,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:55,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:57,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1490 states and 1651 transitions. [2023-11-19 02:53:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1651 transitions. [2023-11-19 02:53:57,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:53:57,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:57,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1477 states and 1637 transitions. [2023-11-19 02:53:58,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1637 transitions. [2023-11-19 02:53:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:53:58,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:58,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:58,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1476 states and 1636 transitions. [2023-11-19 02:53:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1636 transitions. [2023-11-19 02:53:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:53:58,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:58,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:58,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1475 states and 1635 transitions. [2023-11-19 02:53:58,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1635 transitions. [2023-11-19 02:53:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:53:58,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:59,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1475 states and 1634 transitions. [2023-11-19 02:53:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1634 transitions. [2023-11-19 02:53:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:53:59,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1474 states and 1633 transitions. [2023-11-19 02:53:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1633 transitions. [2023-11-19 02:53:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:53:59,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:00,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1473 states and 1632 transitions. [2023-11-19 02:54:00,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1632 transitions. [2023-11-19 02:54:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:54:00,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:00,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:00,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:00,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1473 states and 1631 transitions. [2023-11-19 02:54:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1631 transitions. [2023-11-19 02:54:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:54:00,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:00,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:00,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:00,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1472 states and 1630 transitions. [2023-11-19 02:54:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1630 transitions. [2023-11-19 02:54:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:54:00,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:00,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:00,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:00,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1471 states and 1629 transitions. [2023-11-19 02:54:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1629 transitions. [2023-11-19 02:54:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:54:01,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:01,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.