./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/stateful_check.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/stateful_check.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB --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 86e7865b5c88aae342720e4dde014f366638a0b48b0e0f6e55acb2c675bcac3e --- 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-dbf71c6-m [2022-10-17 16:49:06,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:06,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:06,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:06,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:06,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:06,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:06,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:06,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:06,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:06,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:06,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:06,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:06,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:06,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:06,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:06,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:06,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:06,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:06,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:06,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:06,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:06,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:06,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:06,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:06,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:06,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:06,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:06,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:06,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:06,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:06,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:06,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:06,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:06,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:06,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:06,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:06,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:06,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:06,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:06,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:06,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:06,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:06,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:06,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:06,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:06,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:06,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:06,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:06,699 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:06,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:06,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:06,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:06,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:06,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:06,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:06,701 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:06,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:06,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:06,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:06,701 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:06,702 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:06,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:06,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:06,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:06,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:06,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:06,703 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:06,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:06,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:06,704 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_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7865b5c88aae342720e4dde014f366638a0b48b0e0f6e55acb2c675bcac3e [2022-10-17 16:49:06,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:06,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:06,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:06,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:06,980 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:06,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/stateful_check.c [2022-10-17 16:49:07,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/data/d4da894ac/9ddda6ab824a4624adde90504a725eaa/FLAGb428c0870 [2022-10-17 16:49:07,538 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:07,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/sv-benchmarks/c/ldv-regression/stateful_check.c [2022-10-17 16:49:07,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/data/d4da894ac/9ddda6ab824a4624adde90504a725eaa/FLAGb428c0870 [2022-10-17 16:49:08,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/data/d4da894ac/9ddda6ab824a4624adde90504a725eaa [2022-10-17 16:49:08,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:08,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:08,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:08,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:08,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:08,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e386130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08, skipping insertion in model container [2022-10-17 16:49:08,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:08,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:08,268 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_53b17e57-02cb-4426-8e7e-c40d23c2c34b/sv-benchmarks/c/ldv-regression/stateful_check.c[298,311] [2022-10-17 16:49:08,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:08,325 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:08,336 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_53b17e57-02cb-4426-8e7e-c40d23c2c34b/sv-benchmarks/c/ldv-regression/stateful_check.c[298,311] [2022-10-17 16:49:08,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:08,357 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:08,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08 WrapperNode [2022-10-17 16:49:08,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:08,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:08,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:08,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:08,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,394 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 100 [2022-10-17 16:49:08,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:08,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:08,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:08,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:08,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:08,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:08,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:08,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:08,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:08,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:08,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:08,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2022-10-17 16:49:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2022-10-17 16:49:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 16:49:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 16:49:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:08,594 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:08,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:08,787 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:08,882 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:08,883 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:49:08,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:08 BoogieIcfgContainer [2022-10-17 16:49:08,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:08,887 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:08,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:08,899 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:08,899 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:08" (1/1) ... [2022-10-17 16:49:08,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2022-10-17 16:49:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2022-10-17 16:49:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:08,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:08,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:09,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2022-10-17 16:49:09,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-10-17 16:49:09,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:09,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:09,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:09,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2022-10-17 16:49:09,339 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2022-10-17 16:49:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:49:09,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:09,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2022-10-17 16:49:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2022-10-17 16:49:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:49:09,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2022-10-17 16:49:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2022-10-17 16:49:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:49:09,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:09,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2022-10-17 16:49:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2022-10-17 16:49:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:49:09,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:09,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2022-10-17 16:49:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2022-10-17 16:49:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:49:09,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:09,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2022-10-17 16:49:10,079 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2022-10-17 16:49:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:49:10,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2022-10-17 16:49:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2022-10-17 16:49:10,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:10,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2022-10-17 16:49:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2022-10-17 16:49:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:49:10,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2022-10-17 16:49:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2022-10-17 16:49:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:10,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2022-10-17 16:49:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2022-10-17 16:49:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:10,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2022-10-17 16:49:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2022-10-17 16:49:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:49:10,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2022-10-17 16:49:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2022-10-17 16:49:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:10,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:49:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 101 transitions. [2022-10-17 16:49:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2022-10-17 16:49:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:11,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:11,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:49:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 101 transitions. [2022-10-17 16:49:11,140 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2022-10-17 16:49:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:49:11,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:11,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 114 transitions. [2022-10-17 16:49:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2022-10-17 16:49:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:49:11,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:11,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:11,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:11,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:11,659 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2022-10-17 16:49:11,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:49:11 ImpRootNode [2022-10-17 16:49:11,735 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:49:11,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:49:11,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:49:11,736 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:49:11,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:08" (3/4) ... [2022-10-17 16:49:11,738 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:49:11,843 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:49:11,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:49:11,844 INFO L158 Benchmark]: Toolchain (without parser) took 3809.64ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 54.1MB in the end (delta: 13.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,845 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:11,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.15ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 66.6MB in the end (delta: 947.1kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 64.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,852 INFO L158 Benchmark]: Boogie Preprocessor took 26.06ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 63.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:11,853 INFO L158 Benchmark]: RCFGBuilder took 463.85ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 46.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,854 INFO L158 Benchmark]: CodeCheck took 2847.75ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 56.2MB in the end (delta: -9.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,854 INFO L158 Benchmark]: Witness Printer took 107.74ms. Allocated memory is still 119.5MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1337 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 743 mSDsluCounter, 1647 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1360 mSDsCounter, 273 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 958 IncrementalHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 273 mSolverCounterUnsat, 574 mSDtfsCounter, 958 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2343 GetRequests, 2303 SyntacticMatches, 8 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 67/82 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 6]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L11] int ldv_mutex = 1; [L13] int open_called = 0; [L76] int ldv_s_misc_fops_file_operations = 0; [L77] CALL my_init() [L71] open_called = 0 [L72] return 0; [L77] RET my_init() [L78] COND TRUE __VERIFIER_nondet_int() [L82] case 0: [L83] COND TRUE ldv_s_misc_fops_file_operations==0 [L84] CALL misc_open() [L59] COND TRUE __VERIFIER_nondet_int() [L61] return 1; [L84] RET misc_open() [L85] ldv_s_misc_fops_file_operations++ VAL [__VERIFIER_nondet_int()=0, ldv_mutex=1, ldv_s_misc_fops_file_operations=1, ldv_s_misc_fops_file_operations++=0, misc_open()=0, open_called=0] [L78] COND TRUE __VERIFIER_nondet_int() [L82] case 0: [L90] case 1: [L91] COND TRUE ldv_s_misc_fops_file_operations==1 [L92] CALL misc_read() [L54] return 0; [L92] RET misc_read() [L93] ldv_s_misc_fops_file_operations++ VAL [__VERIFIER_nondet_int()=1, ldv_mutex=1, ldv_s_misc_fops_file_operations=2, ldv_s_misc_fops_file_operations++=0, ldv_s_misc_fops_file_operations++=0, misc_open()=0, misc_read()=0, open_called=0] [L78] COND TRUE __VERIFIER_nondet_int() [L82] case 0: [L90] case 1: [L98] case 2: [L99] COND TRUE ldv_s_misc_fops_file_operations==2 [L100] CALL misc_llseek() [L50] return 0; [L100] RET misc_llseek() [L101] ldv_s_misc_fops_file_operations++ VAL [__VERIFIER_nondet_int()=2, ldv_mutex=1, ldv_s_misc_fops_file_operations=3, ldv_s_misc_fops_file_operations++=0, ldv_s_misc_fops_file_operations++=0, ldv_s_misc_fops_file_operations++=0, misc_llseek()=0, misc_open()=0, misc_read()=0, open_called=0] [L78] COND TRUE __VERIFIER_nondet_int() [L82] case 0: [L90] case 1: [L98] case 2: [L106] case 3: VAL [__VERIFIER_nondet_int()=3, ldv_mutex=1, ldv_s_misc_fops_file_operations=3, ldv_s_misc_fops_file_operations++=0, ldv_s_misc_fops_file_operations++=0, ldv_s_misc_fops_file_operations++=0, misc_llseek()=0, misc_open()=0, misc_read()=0, open_called=0] [L107] COND TRUE ldv_s_misc_fops_file_operations==3 [L108] CALL misc_release() [L36] COND FALSE !(\read(open_called)) VAL [ldv_mutex=1, open_called=0] [L43] CALL mutex_lock() VAL [\old(ldv_mutex)=1, ldv_mutex=1, open_called=0] [L18] (ldv_mutex == 1) ? 0 : __blast_assert() VAL [\old(ldv_mutex)=1, ldv_mutex=1, open_called=0] [L19] ldv_mutex = 2 [L43] RET mutex_lock() VAL [ldv_mutex=2, open_called=0] [L44] CALL mutex_lock() VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] [L18] (ldv_mutex == 1) ? 0 : __blast_assert() VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] [L18] CALL __blast_assert() VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] [L6] reach_error() VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.15ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 66.6MB in the end (delta: 947.1kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.13ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 64.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.06ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 63.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.85ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 46.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2847.75ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 56.2MB in the end (delta: -9.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 107.74ms. Allocated memory is still 119.5MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:49:11,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b17e57-02cb-4426-8e7e-c40d23c2c34b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE