./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/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_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL --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 d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:12:43,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:12:43,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:12:44,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:12:44,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:12:44,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:12:44,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:12:44,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:12:44,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:12:44,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:12:44,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:12:44,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:12:44,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:12:44,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:12:44,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:12:44,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:12:44,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:12:44,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:12:44,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:12:44,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:12:44,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:12:44,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:12:44,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:12:44,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:12:44,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:12:44,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:12:44,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:12:44,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:12:44,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:12:44,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:12:44,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:12:44,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:12:44,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:12:44,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:12:44,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:12:44,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:12:44,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:12:44,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:12:44,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:12:44,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:12:44,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:12:44,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 08:12:44,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:12:44,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:12:44,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:12:44,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:12:44,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:12:44,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:12:44,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:12:44,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 08:12:44,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:12:44,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 08:12:44,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:12:44,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:12:44,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:12:44,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:12:44,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 08:12:44,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:12:44,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:12:44,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:12:44,137 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:12:44,138 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:12:44,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:12:44,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:12:44,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:12:44,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:12:44,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:12:44,139 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:12:44,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:12:44,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:12:44,139 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_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2021-11-25 08:12:44,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:12:44,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:12:44,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:12:44,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:12:44,433 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:12:44,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2021-11-25 08:12:44,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/data/e36ab8a8e/568c0ae1a98d4ad3a39a4ea794602958/FLAGe16103d33 [2021-11-25 08:12:45,034 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:12:45,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2021-11-25 08:12:45,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/data/e36ab8a8e/568c0ae1a98d4ad3a39a4ea794602958/FLAGe16103d33 [2021-11-25 08:12:45,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/data/e36ab8a8e/568c0ae1a98d4ad3a39a4ea794602958 [2021-11-25 08:12:45,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:12:45,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:12:45,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:12:45,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:12:45,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:12:45,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:12:45" (1/1) ... [2021-11-25 08:12:45,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e1f1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:45, skipping insertion in model container [2021-11-25 08:12:45,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:12:45" (1/1) ... [2021-11-25 08:12:45,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:12:45,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:12:45,859 WARN L230 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_457757b6-206c-4726-a644-61f17e3a33bb/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2021-11-25 08:12:46,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:12:46,036 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:12:46,087 WARN L230 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_457757b6-206c-4726-a644-61f17e3a33bb/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2021-11-25 08:12:46,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:12:46,231 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:12:46,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46 WrapperNode [2021-11-25 08:12:46,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:12:46,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:12:46,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:12:46,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:12:46,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,330 INFO L137 Inliner]: procedures = 145, calls = 317, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 519 [2021-11-25 08:12:46,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:12:46,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:12:46,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:12:46,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:12:46,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:12:46,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:12:46,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:12:46,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:12:46,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:46" (1/1) ... [2021-11-25 08:12:46,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:12:46,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:12:46,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:12:46,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457757b6-206c-4726-a644-61f17e3a33bb/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:12:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 08:12:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 08:12:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 08:12:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 08:12:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 08:12:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 08:12:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 08:12:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2021-11-25 08:12:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2021-11-25 08:12:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-25 08:12:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-25 08:12:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 08:12:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-25 08:12:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-25 08:12:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-25 08:12:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-25 08:12:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 08:12:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 08:12:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-25 08:12:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-25 08:12:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 08:12:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2021-11-25 08:12:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2021-11-25 08:12:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:12:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:12:46,734 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:12:46,735 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:12:57,748 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:12:57,887 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:12:57,887 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 08:12:57,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:12:57 BoogieIcfgContainer [2021-11-25 08:12:57,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:12:57,891 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:12:57,907 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:12:57,918 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:12:57,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:12:57" (1/1) ... [2021-11-25 08:12:57,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:12:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 123 states and 178 transitions. [2021-11-25 08:12:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 178 transitions. [2021-11-25 08:12:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 08:12:58,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:58,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2021-11-25 08:14:53,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 08:14:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 125 states and 180 transitions. [2021-11-25 08:14:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2021-11-25 08:14:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 08:14:54,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:54,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2021-11-25 08:15:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 127 states and 183 transitions. [2021-11-25 08:15:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2021-11-25 08:15:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-25 08:15:57,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:57,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2021-11-25 08:17:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 129 states and 186 transitions. [2021-11-25 08:17:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 186 transitions. [2021-11-25 08:17:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 08:17:06,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:06,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-25 08:19:27,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 08:19:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 134 states and 200 transitions. [2021-11-25 08:19:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 200 transitions. [2021-11-25 08:19:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 08:19:27,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:27,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:20:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:21:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-25 08:21:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:21:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2021-11-25 08:21:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2021-11-25 08:21:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 08:21:40,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:21:40,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:22:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:23:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-25 08:23:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:23:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 136 states and 204 transitions. [2021-11-25 08:23:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 204 transitions. [2021-11-25 08:23:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 08:23:54,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:23:54,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:25:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat