./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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-2329fc7 [2022-12-14 23:04:50,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:04:50,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:04:50,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:04:50,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:04:50,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:04:50,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:04:50,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:04:50,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:04:50,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:04:50,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:04:50,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:04:50,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:04:50,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:04:50,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:04:50,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:04:50,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:04:50,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:04:50,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:04:50,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:04:50,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:04:50,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:04:50,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:04:50,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:04:50,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:04:50,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:04:50,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:04:50,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:04:50,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:04:50,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:04:50,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:04:50,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:04:50,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:04:50,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:04:50,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:04:50,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:04:50,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:04:50,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:04:50,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:04:50,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:04:50,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:04:50,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:04:50,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:04:50,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:04:50,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:04:50,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:04:50,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:04:50,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:04:50,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:04:50,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:04:50,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:04:50,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:04:50,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:04:50,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:04:50,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:04:50,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:04:50,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:04:50,871 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:04:50,871 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:04:50,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:04:50,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:04:50,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:04:50,872 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:04:50,872 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:04:50,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:04:50,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:04:50,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:04:50,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:04:50,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:04:50,873 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:04:50,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:04:50,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:04:50,873 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_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-12-14 23:04:51,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:04:51,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:04:51,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:04:51,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:04:51,069 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:04:51,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack-2.i [2022-12-14 23:04:53,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:04:53,776 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:04:53,776 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/sv-benchmarks/c/pthread/stack-2.i [2022-12-14 23:04:53,786 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data/a31d6df9c/675e2915122444289b5dda8390b6f761/FLAGc643c14c2 [2022-12-14 23:04:54,175 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data/a31d6df9c/675e2915122444289b5dda8390b6f761 [2022-12-14 23:04:54,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:04:54,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:04:54,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:04:54,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:04:54,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:04:54,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9b7a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54, skipping insertion in model container [2022-12-14 23:04:54,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:04:54,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:04:54,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-14 23:04:54,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:04:54,578 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:04:54,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-14 23:04:54,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:04:54,663 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:04:54,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54 WrapperNode [2022-12-14 23:04:54,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:04:54,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:04:54,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:04:54,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:04:54,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,709 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 153 [2022-12-14 23:04:54,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:04:54,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:04:54,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:04:54,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:04:54,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,733 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:04:54,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:04:54,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:04:54,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:04:54,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:54" (1/1) ... [2022-12-14 23:04:54,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:04:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:04:54,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:04:54,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:04:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 23:04:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 23:04:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 23:04:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 23:04:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:04:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:04:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:04:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:04:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-14 23:04:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-14 23:04:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 23:04:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:04:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-14 23:04:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-14 23:04:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:04:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:04:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:04:54,788 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:04:54,891 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:04:54,893 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:04:55,114 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:04:55,124 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:04:55,124 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:04:55,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:04:55 BoogieIcfgContainer [2022-12-14 23:04:55,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:04:55,128 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:04:55,128 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:04:55,136 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:04:55,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:04:55" (1/1) ... [2022-12-14 23:04:55,137 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-12-14 23:04:55,140 INFO L158 Benchmark]: Toolchain (without parser) took 958.12ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 101.5MB in the end (delta: -253.0kB). Peak memory consumption was 188.2kB. Max. memory is 16.1GB. [2022-12-14 23:04:55,141 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:04:55,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.00ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 71.8MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 23:04:55,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.08ms. Allocated memory is still 136.3MB. Free memory was 71.8MB in the beginning and 69.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:04:55,142 INFO L158 Benchmark]: Boogie Preprocessor took 26.96ms. Allocated memory is still 136.3MB. Free memory was 69.3MB in the beginning and 67.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:04:55,143 INFO L158 Benchmark]: RCFGBuilder took 389.60ms. Allocated memory is still 136.3MB. Free memory was 67.3MB in the beginning and 102.9MB in the end (delta: -35.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-12-14 23:04:55,143 INFO L158 Benchmark]: CodeCheck took 11.36ms. Allocated memory is still 136.3MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:04:55,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.00ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 71.8MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.08ms. Allocated memory is still 136.3MB. Free memory was 71.8MB in the beginning and 69.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.96ms. Allocated memory is still 136.3MB. Free memory was 69.3MB in the beginning and 67.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.60ms. Allocated memory is still 136.3MB. Free memory was 67.3MB in the beginning and 102.9MB in the end (delta: -35.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * CodeCheck took 11.36ms. Allocated memory is still 136.3MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:04:55,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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-2329fc7 [2022-12-14 23:04:56,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:04:56,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:04:56,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:04:56,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:04:56,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:04:56,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:04:56,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:04:56,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:04:56,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:04:56,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:04:56,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:04:56,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:04:56,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:04:56,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:04:56,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:04:56,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:04:56,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:04:56,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:04:56,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:04:56,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:04:56,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:04:56,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:04:56,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:04:56,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:04:56,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:04:56,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:04:56,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:04:56,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:04:56,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:04:56,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:04:56,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:04:56,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:04:56,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:04:56,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:04:56,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:04:56,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:04:56,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:04:56,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:04:56,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:04:56,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:04:56,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 23:04:56,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:04:56,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:04:56,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:04:56,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:04:56,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:04:56,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:04:56,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:04:56,814 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:04:56,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:04:56,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:04:56,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:04:56,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:04:56,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:04:56,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:04:56,815 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:04:56,815 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:04:56,816 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:04:56,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:04:56,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:04:56,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:04:56,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:04:56,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:04:56,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:04:56,817 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:04:56,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:04:56,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:04:56,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:04:56,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:04:56,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:04:56,818 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:04:56,818 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:04:56,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:04:56,819 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:04:56,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:04:56,819 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_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-12-14 23:04:57,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:04:57,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:04:57,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:04:57,085 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:04:57,085 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:04:57,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack-2.i [2022-12-14 23:04:59,744 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:04:59,929 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:04:59,929 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/sv-benchmarks/c/pthread/stack-2.i [2022-12-14 23:04:59,940 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data/aeb646ddf/4b4fe0d3fb0c4fd0a7fcf61ca387dc57/FLAG5d768e933 [2022-12-14 23:04:59,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/data/aeb646ddf/4b4fe0d3fb0c4fd0a7fcf61ca387dc57 [2022-12-14 23:04:59,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:04:59,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:04:59,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:04:59,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:04:59,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:04:59,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:04:59" (1/1) ... [2022-12-14 23:04:59,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfd46ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:04:59, skipping insertion in model container [2022-12-14 23:04:59,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:04:59" (1/1) ... [2022-12-14 23:04:59,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:04:59,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:05:00,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-14 23:05:00,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:05:00,300 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:05:00,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-14 23:05:00,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:05:00,401 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:05:00,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00 WrapperNode [2022-12-14 23:05:00,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:05:00,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:05:00,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:05:00,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:05:00,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,448 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2022-12-14 23:05:00,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:05:00,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:05:00,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:05:00,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:05:00,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:05:00,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:05:00,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:05:00,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:05:00,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:05:00,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:05:00,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:05:00,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 23:05:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 23:05:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 23:05:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-14 23:05:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-14 23:05:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 23:05:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:05:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-14 23:05:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-14 23:05:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:05:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:05:00,538 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:05:00,659 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:05:00,661 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:05:00,919 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:05:00,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:05:00,927 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:05:00,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:05:00 BoogieIcfgContainer [2022-12-14 23:05:00,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:05:00,931 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:05:00,931 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:05:00,940 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:05:00,940 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:05:00" (1/1) ... [2022-12-14 23:05:00,941 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-12-14 23:05:00,945 INFO L158 Benchmark]: Toolchain (without parser) took 990.57ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 55.8MB in the end (delta: 9.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-12-14 23:05:00,945 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:05:00,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.29ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 53.5MB in the end (delta: 11.3MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-12-14 23:05:00,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.94ms. Allocated memory is still 88.1MB. Free memory was 53.5MB in the beginning and 50.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:05:00,947 INFO L158 Benchmark]: Boogie Preprocessor took 33.67ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:05:00,947 INFO L158 Benchmark]: RCFGBuilder took 446.03ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 56.5MB in the end (delta: -8.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-12-14 23:05:00,948 INFO L158 Benchmark]: CodeCheck took 12.62ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 55.8MB in the end (delta: 753.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:05:00,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.29ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 53.5MB in the end (delta: 11.3MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.94ms. Allocated memory is still 88.1MB. Free memory was 53.5MB in the beginning and 50.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.67ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.03ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 56.5MB in the end (delta: -8.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * CodeCheck took 12.62ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 55.8MB in the end (delta: 753.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:05:00,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fabc213-8c2c-429a-8b29-93c903e5e000/bin/ukojak-rkRKPMF4O4/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: Concurrent programs are currently unsupported