./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:27:15,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:27:15,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:27:15,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:27:15,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:27:15,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:27:15,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:27:15,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:27:15,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:27:15,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:27:15,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:27:15,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:27:15,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:27:15,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:27:15,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:27:15,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:27:15,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:27:15,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:27:15,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:27:15,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:27:15,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:27:15,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:27:15,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:27:15,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:27:15,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:27:15,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:27:15,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:27:15,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:27:15,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:27:15,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:27:15,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:27:15,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:27:15,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:27:15,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:27:15,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:27:15,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:27:15,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:27:15,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:27:15,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:27:15,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:27:15,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:27:15,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:27:15,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:27:15,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:27:15,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:27:15,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:27:15,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:27:15,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:27:15,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:27:15,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:27:15,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:27:15,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:27:15,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:27:15,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:27:15,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:27:15,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:27:15,419 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:27:15,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:27:15,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:27:15,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:27:15,420 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:27:15,420 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:27:15,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:27:15,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:15,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:27:15,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:27:15,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:27:15,421 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:27:15,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:27:15,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:27:15,423 INFO L138 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_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506 [2022-11-20 17:27:15,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:27:15,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:27:15,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:27:15,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:27:15,767 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:27:15,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2022-11-20 17:27:18,877 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:27:19,253 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:27:19,253 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2022-11-20 17:27:19,269 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/data/11cef454f/20944cc53bd34dd8ab8ef9dfb6a140e3/FLAGbfe6f811a [2022-11-20 17:27:19,284 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/data/11cef454f/20944cc53bd34dd8ab8ef9dfb6a140e3 [2022-11-20 17:27:19,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:27:19,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:27:19,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:19,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:27:19,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:27:19,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:19" (1/1) ... [2022-11-20 17:27:19,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c7178a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:19, skipping insertion in model container [2022-11-20 17:27:19,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:19" (1/1) ... [2022-11-20 17:27:19,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:27:19,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:27:19,862 WARN L237 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_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2022-11-20 17:27:19,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:20,008 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:27:20,067 WARN L237 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_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2022-11-20 17:27:20,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:20,221 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:27:20,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20 WrapperNode [2022-11-20 17:27:20,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:20,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:20,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:27:20,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:27:20,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,336 INFO L138 Inliner]: procedures = 252, calls = 268, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 601 [2022-11-20 17:27:20,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:20,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:27:20,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:27:20,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:27:20,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,423 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:27:20,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:27:20,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:27:20,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:27:20,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:20" (1/1) ... [2022-11-20 17:27:20,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:20,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:27:20,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:27:20,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f69ffcb-f0c4-4ac1-bb65-ffec83068190/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:27:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:27:20,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:27:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:27:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2022-11-20 17:27:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2022-11-20 17:27:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:27:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:27:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:27:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2022-11-20 17:27:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2022-11-20 17:27:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:27:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:27:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 17:27:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 17:27:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:27:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:27:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 17:27:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 17:27:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 17:27:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 17:27:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 17:27:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 17:27:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 17:27:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 17:27:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 17:27:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 17:27:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:27:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:27:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:27:20,754 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:27:20,756 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:27:20,803 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:20,803 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2022-11-20 17:27:20,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: assume 0 != ~__CS_ret~0 % 256; [2022-11-20 17:27:20,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:20,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:20,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256; [2022-11-20 17:27:20,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0 != ~__CS_ret~0 % 256; [2022-11-20 17:27:20,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:20,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:20,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256; [2022-11-20 17:27:20,831 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L930: SUMMARY for call __CS_cs(); srcloc: null [2022-11-20 17:27:21,263 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:21,264 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume 0 != ~__CS_ret~0 % 256;push_#res#1 := 0; [2022-11-20 17:27:21,264 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:21,264 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-11-20 17:27:21,264 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:21,264 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-11-20 17:27:21,265 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:21,265 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-11-20 17:27:21,265 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-11-20 17:27:21,265 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume !(0 != ~__CS_ret~0 % 256);pop_#res#1 := 0; [2022-11-20 17:27:21,265 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-4: SUMMARY for call __CS_cs(); srcloc: null [2022-11-20 17:27:21,266 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume 0 != ~__CS_ret~0 % 256;push_#res#1 := 0; [2022-11-20 17:27:21,266 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !(0 != ~__CS_ret~0 % 256); [2022-11-20 17:27:31,785 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:27:31,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:27:31,918 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:27:31,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:31 BoogieIcfgContainer [2022-11-20 17:27:31,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:27:31,924 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:27:31,924 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:27:31,936 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:27:31,936 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:31" (1/1) ... [2022-11-20 17:27:31,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:27:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 196 states and 309 transitions. [2022-11-20 17:27:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2022-11-20 17:27:32,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 17:27:32,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:32,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-20 17:28:15,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:28:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 230 states and 361 transitions. [2022-11-20 17:28:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2022-11-20 17:28:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 17:28:15,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:15,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:29:01,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:29:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 238 states and 384 transitions. [2022-11-20 17:29:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 384 transitions. [2022-11-20 17:29:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:29:02,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:02,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:29:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 243 states and 407 transitions. [2022-11-20 17:29:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 407 transitions. [2022-11-20 17:29:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:29:57,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:57,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:30:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 246 states and 423 transitions. [2022-11-20 17:30:38,080 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 423 transitions. [2022-11-20 17:30:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 17:30:38,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:31:25,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:31:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 252 states and 448 transitions. [2022-11-20 17:31:25,330 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 448 transitions. [2022-11-20 17:31:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:31:25,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:25,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:32:04,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 255 states and 469 transitions. [2022-11-20 17:32:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 469 transitions. [2022-11-20 17:32:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:32:04,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:04,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:32:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 259 states and 488 transitions. [2022-11-20 17:32:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 488 transitions. [2022-11-20 17:32:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:32:53,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:53,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:33:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 261 states and 494 transitions. [2022-11-20 17:33:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 494 transitions. [2022-11-20 17:33:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:33:33,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:33,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:34:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 500 transitions. [2022-11-20 17:34:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 500 transitions. [2022-11-20 17:34:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 17:34:15,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:15,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:34:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 265 states and 505 transitions. [2022-11-20 17:34:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 505 transitions. [2022-11-20 17:34:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:34:56,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 17:35:40,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:35:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 265 states and 500 transitions. [2022-11-20 17:35:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 500 transitions. [2022-11-20 17:35:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:35:40,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:36:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 265 states and 499 transitions. [2022-11-20 17:36:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 499 transitions. [2022-11-20 17:36:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:36:17,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:37:00,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:37:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 276 states and 532 transitions. [2022-11-20 17:37:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 532 transitions. [2022-11-20 17:37:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:37:01,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:01,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:37:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 279 states and 539 transitions. [2022-11-20 17:37:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 539 transitions. [2022-11-20 17:37:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:37:39,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:38:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:29,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 282 states and 545 transitions. [2022-11-20 17:38:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 545 transitions. [2022-11-20 17:38:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:38:29,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:29,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:38:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 283 states and 547 transitions. [2022-11-20 17:38:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 547 transitions. [2022-11-20 17:38:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:38:56,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:56,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:39:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 283 states and 546 transitions. [2022-11-20 17:39:36,412 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 546 transitions. [2022-11-20 17:39:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:39:36,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:36,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:40:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 285 states and 549 transitions. [2022-11-20 17:40:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 549 transitions. [2022-11-20 17:40:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:40:11,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:40:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 285 states and 548 transitions. [2022-11-20 17:40:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 548 transitions. [2022-11-20 17:40:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:40:53,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:53,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-20 17:41:37,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:41:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 288 states and 557 transitions. [2022-11-20 17:41:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 557 transitions. [2022-11-20 17:41:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 17:41:37,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:37,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms