./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:51,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:51,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:20:51,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:51,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:51,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:51,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:51,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:51,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:51,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:51,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:51,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:51,397 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:51,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:51,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:51,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:51,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:51,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:51,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:51,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:51,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:51,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:51,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:51,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:51,404 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:51,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:51,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:51,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:51,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:51,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:51,407 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:51,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:51,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:51,409 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_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2023-11-23 20:20:51,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:51,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:51,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:51,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:51,666 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:51,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-23 20:20:54,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:55,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:55,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-23 20:20:55,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/data/0c8182d22/778b6a7c587d4e79922caeae7c9f1145/FLAG8e572f754 [2023-11-23 20:20:55,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/data/0c8182d22/778b6a7c587d4e79922caeae7c9f1145 [2023-11-23 20:20:55,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:55,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:55,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:55,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:55,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:55,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:55" (1/1) ... [2023-11-23 20:20:55,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5219f10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:55, skipping insertion in model container [2023-11-23 20:20:55,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:55" (1/1) ... [2023-11-23 20:20:55,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:55,750 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2023-11-23 20:20:55,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:55,954 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:56,000 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2023-11-23 20:20:56,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:56,111 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:56,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56 WrapperNode [2023-11-23 20:20:56,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:56,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:56,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:56,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:56,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,236 INFO L138 Inliner]: procedures = 145, calls = 317, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 527 [2023-11-23 20:20:56,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:56,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:56,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:56,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:56,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:56,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:56,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:56,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:56,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:56" (1/1) ... [2023-11-23 20:20:56,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:56,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:56,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:56,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb4292a-cc42-4a72-9284-93ac6e458321/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:20:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:20:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:20:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-11-23 20:20:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-11-23 20:20:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 20:20:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 20:20:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:20:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 20:20:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 20:20:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:20:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:20:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:20:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 20:20:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 20:20:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-11-23 20:20:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-11-23 20:20:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:56,711 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:56,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:21:07,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:21:07,854 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:21:07,854 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:21:07,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:07 BoogieIcfgContainer [2023-11-23 20:21:07,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:21:07,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:21:07,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:21:07,868 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:21:07,868 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:07" (1/1) ... [2023-11-23 20:21:07,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:21:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 123 states and 178 transitions. [2023-11-23 20:21:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 178 transitions. [2023-11-23 20:21:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 20:21:07,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:07,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:21:19,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:21:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 124 states and 179 transitions. [2023-11-23 20:21:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 179 transitions. [2023-11-23 20:21:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:21:19,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:21:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 125 states and 181 transitions. [2023-11-23 20:21:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2023-11-23 20:21:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:21:19,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:19,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:21:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 126 states and 183 transitions. [2023-11-23 20:21:20,535 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2023-11-23 20:21:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:21:20,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:20,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-23 20:21:31,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:21:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 130 states and 191 transitions. [2023-11-23 20:21:31,765 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2023-11-23 20:21:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:21:31,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-11-23 20:21:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 131 states and 191 transitions. [2023-11-23 20:21:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2023-11-23 20:21:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 20:21:32,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:32,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:33,482 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-11-23 20:21:44,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:21:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 135 states and 197 transitions. [2023-11-23 20:21:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2023-11-23 20:21:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 20:21:44,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:44,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2023-11-23 20:21:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2023-11-23 20:21:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2023-11-23 20:21:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 20:21:45,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2023-11-23 20:21:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 137 states and 197 transitions. [2023-11-23 20:21:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 197 transitions. [2023-11-23 20:21:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-23 20:21:46,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:46,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:48,081 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked.