./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu --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 f673ebb9e7e04aacff207de4acfe748a76999a1319247236c14ae51e44f23889 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:41,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:41,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:41,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:41,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:41,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:41,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:41,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:41,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:41,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:41,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:41,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:41,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:41,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:41,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:41,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:41,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:41,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:41,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:41,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:41,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:41,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:41,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:41,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:41,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:41,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:41,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:41,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:41,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:41,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:41,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:41,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:41,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:41,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:41,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:41,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:41,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:41,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:41,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:41,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:41,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:41,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:41,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:41,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:41,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:41,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:41,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:41,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:41,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:41,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:41,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:41,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:41,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:41,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:41,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:41,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:41,782 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:41,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:41,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:41,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:41,783 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:41,783 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:41,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:41,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:41,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:41,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:41,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:41,784 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:41,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:41,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:41,785 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_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f673ebb9e7e04aacff207de4acfe748a76999a1319247236c14ae51e44f23889 [2021-11-23 15:50:42,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:42,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:42,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:42,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:42,112 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:42,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2021-11-23 15:50:42,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/44fd03747/6a9c8d5fc664413b9432c736be7f38a0/FLAG115e53b3e [2021-11-23 15:50:42,852 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:42,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2021-11-23 15:50:42,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/44fd03747/6a9c8d5fc664413b9432c736be7f38a0/FLAG115e53b3e [2021-11-23 15:50:43,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/44fd03747/6a9c8d5fc664413b9432c736be7f38a0 [2021-11-23 15:50:43,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:43,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:43,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:43,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:43,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:43,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:43,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef0f174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43, skipping insertion in model container [2021-11-23 15:50:43,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:43,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:43,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:43,671 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_0b7d7d53-d70e-41d9-b782-6d35421836be/sv-benchmarks/c/seq-pthread/cs_stack-1.i[34744,34757] [2021-11-23 15:50:43,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:43,783 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:43,817 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_0b7d7d53-d70e-41d9-b782-6d35421836be/sv-benchmarks/c/seq-pthread/cs_stack-1.i[34744,34757] [2021-11-23 15:50:43,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:43,980 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:43,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43 WrapperNode [2021-11-23 15:50:43,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:43,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:43,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:43,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:43,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,076 INFO L137 Inliner]: procedures = 254, calls = 276, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 640 [2021-11-23 15:50:44,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:44,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:44,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:44,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:44,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:44,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:44,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:44,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:44,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:44,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:44,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:44,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:50:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:50:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2021-11-23 15:50:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2021-11-23 15:50:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:50:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:50:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2021-11-23 15:50:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2021-11-23 15:50:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:50:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:50:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:50:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:50:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:50:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:50:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:50:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-23 15:50:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-23 15:50:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:50:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:50:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:50:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:50:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:50:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:50:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:44,581 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:44,583 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:44,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:44,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2021-11-23 15:50:44,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:44,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256; [2021-11-23 15:50:44,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0 != ~__CS_ret~0 % 256; [2021-11-23 15:50:44,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:44,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:44,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L933: SUMMARY for call __CS_cs(); srcloc: null [2021-11-23 15:50:44,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume 0 != ~__CS_ret~0 % 256; [2021-11-23 15:50:44,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:44,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256; [2021-11-23 15:50:45,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:45,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume 0 != ~__CS_ret~0 % 256;push_#res#1 := 0; [2021-11-23 15:50:45,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:45,094 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2021-11-23 15:50:45,094 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:45,094 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2021-11-23 15:50:45,094 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:45,094 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2021-11-23 15:50:45,095 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2021-11-23 15:50:45,095 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume !(0 != ~__CS_ret~0 % 256);pop_#res#1 := 0; [2021-11-23 15:50:45,095 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L989-2: SUMMARY for call __CS_cs(); srcloc: null [2021-11-23 15:50:45,095 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume 0 != ~__CS_ret~0 % 256;push_#res#1 := 0; [2021-11-23 15:50:45,096 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:50:55,508 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:55,538 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:50:55,549 INFO L158 Benchmark]: Toolchain (without parser) took 12464.08ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 66.9MB in the beginning and 91.4MB in the end (delta: -24.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:55,549 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:55,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 894.70ms. Allocated memory is still 109.1MB. Free memory was 66.7MB in the beginning and 59.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:55,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.14ms. Allocated memory is still 109.1MB. Free memory was 59.0MB in the beginning and 54.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:50:55,552 INFO L158 Benchmark]: Boogie Preprocessor took 71.02ms. Allocated memory is still 109.1MB. Free memory was 54.0MB in the beginning and 49.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:50:55,552 INFO L158 Benchmark]: RCFGBuilder took 11397.75ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 49.9MB in the beginning and 91.4MB in the end (delta: -41.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:55,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 894.70ms. Allocated memory is still 109.1MB. Free memory was 66.7MB in the beginning and 59.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.14ms. Allocated memory is still 109.1MB. Free memory was 59.0MB in the beginning and 54.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.02ms. Allocated memory is still 109.1MB. Free memory was 54.0MB in the beginning and 49.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11397.75ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 49.9MB in the beginning and 91.4MB in the end (delta: -41.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:50:55,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu --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 f673ebb9e7e04aacff207de4acfe748a76999a1319247236c14ae51e44f23889 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:58,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:58,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:58,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:58,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:58,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:58,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:58,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:58,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:58,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:58,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:58,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:58,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:58,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:58,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:58,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:58,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:58,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:58,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:58,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:58,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:58,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:58,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:58,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:58,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:58,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:58,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:58,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:58,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:58,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:58,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:58,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:58,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:58,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:58,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:58,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:58,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:58,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:58,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:58,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:58,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:58,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:58,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:58,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:58,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:58,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:58,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:58,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:58,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:58,261 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:58,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:58,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:58,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:58,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:58,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:58,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:58,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:58,264 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:58,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:58,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:58,265 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:58,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:58,265 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:58,265 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:58,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:58,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:58,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:58,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:58,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:58,267 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:58,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:58,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:58,267 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:58,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:58,268 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f673ebb9e7e04aacff207de4acfe748a76999a1319247236c14ae51e44f23889 [2021-11-23 15:50:58,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:58,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:58,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:58,715 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:58,715 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:58,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2021-11-23 15:50:58,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/c68d726ca/6e0fd88f8a7b4efe92eee7d0093dc584/FLAGd134ff6ca [2021-11-23 15:50:59,471 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:59,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2021-11-23 15:50:59,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/c68d726ca/6e0fd88f8a7b4efe92eee7d0093dc584/FLAGd134ff6ca [2021-11-23 15:50:59,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/data/c68d726ca/6e0fd88f8a7b4efe92eee7d0093dc584 [2021-11-23 15:50:59,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:59,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:59,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:59,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:59,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:59,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:59" (1/1) ... [2021-11-23 15:50:59,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9b04c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:59, skipping insertion in model container [2021-11-23 15:50:59,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:59" (1/1) ... [2021-11-23 15:50:59,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:59,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:00,382 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_0b7d7d53-d70e-41d9-b782-6d35421836be/sv-benchmarks/c/seq-pthread/cs_stack-1.i[34744,34757] [2021-11-23 15:51:00,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:00,557 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:00,623 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_0b7d7d53-d70e-41d9-b782-6d35421836be/sv-benchmarks/c/seq-pthread/cs_stack-1.i[34744,34757] [2021-11-23 15:51:00,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:00,775 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:00,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00 WrapperNode [2021-11-23 15:51:00,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:00,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:00,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:00,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:00,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,881 INFO L137 Inliner]: procedures = 258, calls = 276, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 627 [2021-11-23 15:51:00,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:00,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:00,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:00,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:00,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:01,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:01,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:01,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:01,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:01,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:01,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:01,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:01,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:51:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:51:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:51:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:51:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2021-11-23 15:51:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:51:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2021-11-23 15:51:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2021-11-23 15:51:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:51:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:51:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:51:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:51:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:51:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-23 15:51:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-23 15:51:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:51:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:51:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:51:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:51:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:51:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:51:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:01,310 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:01,327 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:01,445 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,445 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);#res := 0bv32; [2021-11-23 15:51:01,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2021-11-23 15:51:01,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2021-11-23 15:51:01,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L933: SUMMARY for call __CS_cs(); srcloc: null [2021-11-23 15:51:01,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2021-11-23 15:51:01,466 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,466 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2021-11-23 15:51:01,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res#1 := 0bv32; [2021-11-23 15:51:01,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res#1 := 0bv32; [2021-11-23 15:51:01,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res#1 := 0bv32; [2021-11-23 15:51:01,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:01,973 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res#1 := 0bv32; [2021-11-23 15:51:01,973 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res#1 := 0bv32; [2021-11-23 15:51:01,973 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));pop_#res#1 := 0bv32; [2021-11-23 15:51:01,973 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L989-2: SUMMARY for call __CS_cs(); srcloc: null [2021-11-23 15:51:01,973 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res#1 := 0bv32; [2021-11-23 15:51:01,973 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:51:12,822 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:12,855 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:51:12,858 INFO L158 Benchmark]: Toolchain (without parser) took 13120.80ms. Allocated memory was 52.4MB in the beginning and 88.1MB in the end (delta: 35.7MB). Free memory was 27.8MB in the beginning and 35.0MB in the end (delta: -7.2MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:12,859 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:12,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1035.26ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.5MB in the beginning and 38.2MB in the end (delta: -10.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:12,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.73ms. Allocated memory is still 67.1MB. Free memory was 38.2MB in the beginning and 33.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:12,861 INFO L158 Benchmark]: Boogie Preprocessor took 109.44ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 43.6MB in the end (delta: -10.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 15:51:12,862 INFO L158 Benchmark]: RCFGBuilder took 11854.27ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 43.6MB in the beginning and 35.0MB in the end (delta: 8.6MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:12,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1035.26ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.5MB in the beginning and 38.2MB in the end (delta: -10.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.73ms. Allocated memory is still 67.1MB. Free memory was 38.2MB in the beginning and 33.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.44ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 43.6MB in the end (delta: -10.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 11854.27ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 43.6MB in the beginning and 35.0MB in the end (delta: 8.6MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:12,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7d7d53-d70e-41d9-b782-6d35421836be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable