./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/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_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- 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-b5237d8 [2022-11-22 00:01:49,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:01:49,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:01:49,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:01:49,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:01:49,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:01:49,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:01:49,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:01:49,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:01:49,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:01:49,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:01:49,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:01:49,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:01:49,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:01:49,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:01:49,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:01:49,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:01:49,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:01:49,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:01:49,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:01:49,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:01:49,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:01:49,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:01:49,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:01:49,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:01:49,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:01:49,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:01:49,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:01:49,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:01:49,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:01:49,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:01:49,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:01:49,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:01:49,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:01:49,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:01:49,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:01:49,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:01:49,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:01:49,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:01:49,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:01:49,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:01:49,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-22 00:01:49,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:01:49,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:01:49,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:01:49,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:01:49,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:01:49,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:01:49,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:01:49,477 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:01:49,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:01:49,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:01:49,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:01:49,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:01:49,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:01:49,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:01:49,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:01:49,480 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:01:49,480 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:01:49,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:01:49,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:01:49,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:01:49,481 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:01:49,482 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:01:49,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:01:49,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:01:49,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:01:49,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:01:49,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:01:49,483 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-22 00:01:49,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:01:49,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:01:49,484 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_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2022-11-22 00:01:49,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:01:49,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:01:49,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:01:49,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:01:49,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:01:49,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2022-11-22 00:01:53,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:01:53,361 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:01:53,362 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2022-11-22 00:01:53,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/data/6c68d36d6/4502dbb550b84c6c88aebf6ce2b0a12e/FLAGef2c783d2 [2022-11-22 00:01:53,415 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/data/6c68d36d6/4502dbb550b84c6c88aebf6ce2b0a12e [2022-11-22 00:01:53,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:01:53,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:01:53,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:01:53,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:01:53,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:01:53,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:01:53" (1/1) ... [2022-11-22 00:01:53,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da8cb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:53, skipping insertion in model container [2022-11-22 00:01:53,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:01:53" (1/1) ... [2022-11-22 00:01:53,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:01:53,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:01:53,850 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_3b6fff5e-8cc7-482e-aed4-bee0a274450d/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2022-11-22 00:01:54,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:01:54,051 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:01:54,106 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_3b6fff5e-8cc7-482e-aed4-bee0a274450d/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2022-11-22 00:01:54,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:01:54,263 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:01:54,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54 WrapperNode [2022-11-22 00:01:54,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:01:54,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:01:54,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:01:54,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:01:54,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,418 INFO L138 Inliner]: procedures = 145, calls = 317, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 523 [2022-11-22 00:01:54,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:01:54,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:01:54,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:01:54,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:01:54,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:01:54,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:01:54,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:01:54,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:01:54,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:01:54" (1/1) ... [2022-11-22 00:01:54,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:01:54,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/z3 [2022-11-22 00:01:54,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-22 00:01:54,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6fff5e-8cc7-482e-aed4-bee0a274450d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-22 00:01:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:01:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:01:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 00:01:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 00:01:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:01:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:01:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:01:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2022-11-22 00:01:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2022-11-22 00:01:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-22 00:01:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-22 00:01:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:01:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-22 00:01:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-22 00:01:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 00:01:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 00:01:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:01:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:01:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-22 00:01:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-22 00:01:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:01:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2022-11-22 00:01:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2022-11-22 00:01:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:01:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:01:54,865 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:01:54,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:02:06,236 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:02:06,417 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:02:06,417 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 00:02:06,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:06 BoogieIcfgContainer [2022-11-22 00:02:06,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:02:06,421 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-22 00:02:06,422 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-22 00:02:06,433 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-22 00:02:06,434 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:06" (1/1) ... [2022-11-22 00:02:06,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:02:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:02:06,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 134 states and 188 transitions. [2022-11-22 00:02:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 188 transitions. [2022-11-22 00:02:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:02:06,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:02:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:02:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:02:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:02:17,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:02:17,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:02:17,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2022-11-22 00:02:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2022-11-22 00:02:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:02:17,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:02:17,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:02:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:02:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:02:17,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:02:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2022-11-22 00:02:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2022-11-22 00:02:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:02:17,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:02:17,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:03:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:07:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:07:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:07:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 138 states and 196 transitions. [2022-11-22 00:07:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2022-11-22 00:07:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:07:23,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:07:23,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:08:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:12:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 138 states and 197 transitions. [2022-11-22 00:12:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 197 transitions. [2022-11-22 00:12:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 00:12:57,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:12:57,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:58,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:12:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:12:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2022-11-22 00:12:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2022-11-22 00:12:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 00:12:58,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:12:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:12:58,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 138 states and 198 transitions. [2022-11-22 00:12:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 198 transitions. [2022-11-22 00:12:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:12:58,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:12:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:12:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 137 states and 195 transitions. [2022-11-22 00:12:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 195 transitions. [2022-11-22 00:12:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 00:12:59,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:12:59,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:14:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat