./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.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_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/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_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/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_5c96878a-6fe8-4992-8efe-ecaef8c94d76/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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:43,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:43,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:53:43,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:43,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:44,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:44,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:44,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:44,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:44,032 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:44,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:44,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:44,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:44,036 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:53:44,037 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:53:44,037 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:53:44,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:44,039 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:44,039 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:44,040 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:44,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:44,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:44,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:44,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:44,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:44,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:44,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:44,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:44,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:44,045 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_5c96878a-6fe8-4992-8efe-ecaef8c94d76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2023-11-19 02:53:44,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:44,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:44,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:44,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:44,426 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:44,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-19 02:53:47,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:48,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:48,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-19 02:53:48,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/data/8c1c194f4/d3ce1d819d67420fa69bffc712aa9064/FLAG81f27e066 [2023-11-19 02:53:48,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/data/8c1c194f4/d3ce1d819d67420fa69bffc712aa9064 [2023-11-19 02:53:48,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:48,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:48,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:48,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:48,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:48,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:48" (1/1) ... [2023-11-19 02:53:48,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75da68dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48, skipping insertion in model container [2023-11-19 02:53:48,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:48" (1/1) ... [2023-11-19 02:53:48,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:49,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:49,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:49,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:49,286 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:49,295 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:49,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49 WrapperNode [2023-11-19 02:53:49,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:49,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:49,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:49,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:49,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,459 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1365 [2023-11-19 02:53:49,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:49,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:49,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:49,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:49,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:49,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:49,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:49,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:49,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:49,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:49,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:49,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c96878a-6fe8-4992-8efe-ecaef8c94d76/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:53:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:53:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:53:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:53:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:50,151 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:50,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:52,851 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:54,764 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:54,764 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 02:53:54,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:54 BoogieIcfgContainer [2023-11-19 02:53:54,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:54,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:54,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:54,796 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:54,797 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:54" (1/1) ... [2023-11-19 02:53:54,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 952 states and 1071 transitions. [2023-11-19 02:53:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1071 transitions. [2023-11-19 02:53:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:53:54,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,255 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 02:53:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 951 states and 1070 transitions. [2023-11-19 02:53:55,293 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1070 transitions. [2023-11-19 02:53:55,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:53:55,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,405 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 02:53:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 950 states and 1069 transitions. [2023-11-19 02:53:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1069 transitions. [2023-11-19 02:53:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:53:55,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,545 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 02:53:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 949 states and 1067 transitions. [2023-11-19 02:53:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1067 transitions. [2023-11-19 02:53:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:53:55,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,724 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 02:53:55,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 948 states and 1066 transitions. [2023-11-19 02:53:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1066 transitions. [2023-11-19 02:53:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:53:55,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,968 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 02:53:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 947 states and 1065 transitions. [2023-11-19 02:53:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1065 transitions. [2023-11-19 02:53:55,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:53:55,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:56,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 950 states and 1070 transitions. [2023-11-19 02:53:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1070 transitions. [2023-11-19 02:53:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:53:56,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:56,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 949 states and 1069 transitions. [2023-11-19 02:53:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1069 transitions. [2023-11-19 02:53:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:53:56,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:56,426 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 02:53:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:56,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 950 states and 1070 transitions. [2023-11-19 02:53:56,449 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1070 transitions. [2023-11-19 02:53:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:53:56,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:56,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:56,510 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 02:53:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 951 states and 1072 transitions. [2023-11-19 02:53:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1072 transitions. [2023-11-19 02:53:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:53:56,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:56,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 952 states and 1074 transitions. [2023-11-19 02:53:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1074 transitions. [2023-11-19 02:53:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:53:57,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,067 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 02:53:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 951 states and 1072 transitions. [2023-11-19 02:53:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1072 transitions. [2023-11-19 02:53:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:53:57,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,134 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 02:53:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 950 states and 1071 transitions. [2023-11-19 02:53:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1071 transitions. [2023-11-19 02:53:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:57,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,214 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 02:53:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 951 states and 1073 transitions. [2023-11-19 02:53:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1073 transitions. [2023-11-19 02:53:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:57,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,482 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 02:53:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 952 states and 1074 transitions. [2023-11-19 02:53:57,743 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1074 transitions. [2023-11-19 02:53:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:53:57,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,785 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 02:53:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 951 states and 1073 transitions. [2023-11-19 02:53:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1073 transitions. [2023-11-19 02:53:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:53:57,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,869 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 02:53:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 950 states and 1072 transitions. [2023-11-19 02:53:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1072 transitions. [2023-11-19 02:53:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:53:57,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,945 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 02:53:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 949 states and 1071 transitions. [2023-11-19 02:53:58,137 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1071 transitions. [2023-11-19 02:53:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:53:58,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:58,300 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 02:53:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 952 states and 1075 transitions. [2023-11-19 02:53:58,698 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1075 transitions. [2023-11-19 02:53:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:58,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:58,849 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 02:53:59,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 954 states and 1078 transitions. [2023-11-19 02:53:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1078 transitions. [2023-11-19 02:53:59,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:53:59,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,383 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 02:53:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 954 states and 1076 transitions. [2023-11-19 02:53:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1076 transitions. [2023-11-19 02:53:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:59,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 954 states and 1072 transitions. [2023-11-19 02:53:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1072 transitions. [2023-11-19 02:53:59,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:59,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,644 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 02:53:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 954 states and 1070 transitions. [2023-11-19 02:53:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1070 transitions. [2023-11-19 02:53:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:59,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,803 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 02:53:59,881 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 02:53:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 956 states and 1074 transitions. [2023-11-19 02:53:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1074 transitions. [2023-11-19 02:53:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:59,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:00,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:54:00,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:00,063 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 02:54:00,194 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 02:54:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 961 states and 1081 transitions. [2023-11-19 02:54:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1081 transitions. [2023-11-19 02:54:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:00,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:00,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:00,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:00,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:00,694 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 02:54:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 963 states and 1087 transitions. [2023-11-19 02:54:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1087 transitions. [2023-11-19 02:54:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:01,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:01,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:01,190 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 02:54:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 962 states and 1086 transitions. [2023-11-19 02:54:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1086 transitions. [2023-11-19 02:54:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:01,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:01,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:01,317 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 02:54:01,512 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 02:54:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 963 states and 1087 transitions. [2023-11-19 02:54:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1087 transitions. [2023-11-19 02:54:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:01,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:01,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:01,815 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 02:54:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 962 states and 1086 transitions. [2023-11-19 02:54:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1086 transitions. [2023-11-19 02:54:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:01,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:01,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:01,993 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 02:54:02,124 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 02:54:02,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 963 states and 1088 transitions. [2023-11-19 02:54:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1088 transitions. [2023-11-19 02:54:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:02,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:02,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:02,669 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 02:54:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 966 states and 1094 transitions. [2023-11-19 02:54:02,888 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1094 transitions. [2023-11-19 02:54:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:02,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:02,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:02,982 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 02:54:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:03,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 965 states and 1093 transitions. [2023-11-19 02:54:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1093 transitions. [2023-11-19 02:54:03,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:03,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:03,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:03,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:03,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:03,107 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 02:54:03,250 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 02:54:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 966 states and 1095 transitions. [2023-11-19 02:54:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1095 transitions. [2023-11-19 02:54:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:54:03,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:03,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:03,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:03,743 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 02:54:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 965 states and 1094 transitions. [2023-11-19 02:54:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1094 transitions. [2023-11-19 02:54:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:54:03,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:03,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:03,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:03,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:03,867 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 02:54:04,037 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 02:54:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 966 states and 1096 transitions. [2023-11-19 02:54:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1096 transitions. [2023-11-19 02:54:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:04,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:04,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:04,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:04,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 969 states and 1100 transitions. [2023-11-19 02:54:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1100 transitions. [2023-11-19 02:54:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:04,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:04,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:04,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:04,727 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 02:54:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 968 states and 1099 transitions. [2023-11-19 02:54:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1099 transitions. [2023-11-19 02:54:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:04,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:04,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:04,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:04,854 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 02:54:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:05,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 969 states and 1101 transitions. [2023-11-19 02:54:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1101 transitions. [2023-11-19 02:54:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:05,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:05,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:05,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:05,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:05,521 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 02:54:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 968 states and 1100 transitions. [2023-11-19 02:54:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1100 transitions. [2023-11-19 02:54:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:05,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:05,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:05,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:05,651 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 02:54:05,796 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 02:54:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 969 states and 1102 transitions. [2023-11-19 02:54:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1102 transitions. [2023-11-19 02:54:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:54:06,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:06,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:06,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:06,345 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 02:54:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 972 states and 1106 transitions. [2023-11-19 02:54:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1106 transitions. [2023-11-19 02:54:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:54:06,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:06,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:06,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:06,504 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 02:54:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 971 states and 1105 transitions. [2023-11-19 02:54:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1105 transitions. [2023-11-19 02:54:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:54:06,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:06,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:06,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:06,629 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 02:54:06,784 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 02:54:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:07,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 972 states and 1107 transitions. [2023-11-19 02:54:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1107 transitions. [2023-11-19 02:54:07,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:54:07,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:07,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:07,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:07,333 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 02:54:07,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 971 states and 1106 transitions. [2023-11-19 02:54:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1106 transitions. [2023-11-19 02:54:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:54:07,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:07,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:07,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:07,463 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 02:54:07,637 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 02:54:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 972 states and 1108 transitions. [2023-11-19 02:54:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1108 transitions. [2023-11-19 02:54:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:54:08,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:08,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:08,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:08,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:08,173 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 02:54:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:08,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 975 states and 1112 transitions. [2023-11-19 02:54:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1112 transitions. [2023-11-19 02:54:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:54:08,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:08,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:08,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:08,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:08,311 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 02:54:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 974 states and 1111 transitions. [2023-11-19 02:54:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1111 transitions. [2023-11-19 02:54:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:54:08,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:08,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:08,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:08,473 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 02:54:08,647 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 02:54:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 975 states and 1113 transitions. [2023-11-19 02:54:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1113 transitions. [2023-11-19 02:54:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:54:09,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:09,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:09,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:09,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:09,167 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 02:54:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 974 states and 1112 transitions. [2023-11-19 02:54:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1112 transitions. [2023-11-19 02:54:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:54:09,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:09,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:09,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:09,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:09,300 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 02:54:09,476 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 02:54:09,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 975 states and 1114 transitions. [2023-11-19 02:54:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1114 transitions. [2023-11-19 02:54:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:54:09,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:09,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:10,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:10,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:10,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 978 states and 1118 transitions. [2023-11-19 02:54:10,079 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1118 transitions. [2023-11-19 02:54:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:54:10,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:10,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:10,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:10,195 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 02:54:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 977 states and 1117 transitions. [2023-11-19 02:54:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1117 transitions. [2023-11-19 02:54:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:54:10,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:10,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:10,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:10,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:10,327 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 02:54:10,516 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 02:54:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 978 states and 1119 transitions. [2023-11-19 02:54:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1119 transitions. [2023-11-19 02:54:11,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:54:11,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:11,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:11,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:11,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:11,268 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 02:54:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 981 states and 1123 transitions. [2023-11-19 02:54:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1123 transitions. [2023-11-19 02:54:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:54:11,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:11,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:54:11,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:11,392 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 02:54:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 997 states and 1141 transitions. [2023-11-19 02:54:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1141 transitions. [2023-11-19 02:54:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:54:12,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:12,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:12,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:54:12,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:12,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 02:54:12,206 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 02:54:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1013 states and 1166 transitions. [2023-11-19 02:54:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1166 transitions. [2023-11-19 02:54:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:54:12,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:13,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:13,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:13,013 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 02:54:14,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:54:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1013 states and 1164 transitions. [2023-11-19 02:54:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1164 transitions. [2023-11-19 02:54:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:54:14,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:15,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:54:15,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:15,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 02:54:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:27,387 WARN L539 Checker$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 02:54:37,393 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 []