./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- 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-e04fb08 [2022-11-16 07:38:32,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:38:32,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:38:32,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:38:32,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:38:32,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:38:32,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:38:32,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:38:32,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:38:32,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:38:32,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:38:32,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:38:32,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:38:32,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:38:32,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:38:32,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:38:32,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:38:32,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:38:32,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:38:32,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:38:32,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:38:32,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:38:32,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:38:32,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:38:32,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:38:32,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:38:32,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:38:32,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:38:32,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:38:32,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:38:32,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:38:32,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:38:32,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:38:32,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:38:32,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:38:32,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:38:32,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:38:32,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:38:32,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:38:32,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:38:32,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:38:32,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 07:38:32,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:38:32,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:38:32,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:38:32,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:38:32,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:38:32,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:38:32,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:38:32,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:38:32,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:38:32,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:38:32,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:38:32,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:38:32,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:38:32,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:38:32,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:38:32,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:38:32,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:38:32,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:38:32,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:38:32,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:38:32,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:38:32,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:38:32,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:38:32,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:38:32,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:38:32,235 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:38:32,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:38:32,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:38:32,235 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_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-16 07:38:32,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:38:32,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:38:32,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:38:32,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:38:32,700 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:38:32,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/singleton.i [2022-11-16 07:38:32,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/63bb4751a/6b3cf81b0bf14d2daeb862fae974eef1/FLAGce9c97a3c [2022-11-16 07:38:33,557 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:38:33,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/sv-benchmarks/c/pthread/singleton.i [2022-11-16 07:38:33,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/63bb4751a/6b3cf81b0bf14d2daeb862fae974eef1/FLAGce9c97a3c [2022-11-16 07:38:33,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/63bb4751a/6b3cf81b0bf14d2daeb862fae974eef1 [2022-11-16 07:38:33,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:38:33,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:38:33,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:38:33,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:38:33,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:38:33,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:38:33" (1/1) ... [2022-11-16 07:38:33,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e787a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:33, skipping insertion in model container [2022-11-16 07:38:33,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:38:33" (1/1) ... [2022-11-16 07:38:33,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:38:33,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:38:34,142 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 07:38:34,479 WARN L229 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_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-16 07:38:34,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:38:34,538 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:38:34,572 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 07:38:34,607 WARN L229 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_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-16 07:38:34,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:38:34,716 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:38:34,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34 WrapperNode [2022-11-16 07:38:34,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:38:34,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:38:34,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:38:34,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:38:34,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,801 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-11-16 07:38:34,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:38:34,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:38:34,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:38:34,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:38:34,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:38:34,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:38:34,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:38:34,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:38:34,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:34" (1/1) ... [2022-11-16 07:38:34,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:38:34,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:38:34,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:38:34,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:38:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 07:38:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:38:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:38:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 07:38:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 07:38:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-16 07:38:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-16 07:38:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 07:38:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 07:38:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 07:38:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 07:38:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 07:38:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 07:38:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 07:38:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 07:38:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:38:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 07:38:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:38:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:38:34,945 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 07:38:35,168 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:38:35,174 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:38:35,598 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:38:35,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:38:35,607 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 07:38:35,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:38:35 BoogieIcfgContainer [2022-11-16 07:38:35,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:38:35,611 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:38:35,611 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:38:35,632 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:38:35,633 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:38:35" (1/1) ... [2022-11-16 07:38:35,634 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) [2022-11-16 07:38:35,642 INFO L158 Benchmark]: Toolchain (without parser) took 1865.42ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 42.7MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 07:38:35,643 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 79.8MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:38:35,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.74ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 63.6MB in the end (delta: 9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 07:38:35,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.03ms. Allocated memory is still 109.1MB. Free memory was 63.6MB in the beginning and 61.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:38:35,649 INFO L158 Benchmark]: Boogie Preprocessor took 46.44ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 59.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:38:35,651 INFO L158 Benchmark]: RCFGBuilder took 760.23ms. Allocated memory is still 109.1MB. Free memory was 59.5MB in the beginning and 43.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 07:38:35,652 INFO L158 Benchmark]: CodeCheck took 28.93ms. Allocated memory is still 109.1MB. Free memory was 43.9MB in the beginning and 42.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:38:35,659 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 0.38ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 79.8MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.74ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 63.6MB in the end (delta: 9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.03ms. Allocated memory is still 109.1MB. Free memory was 63.6MB in the beginning and 61.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.44ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 59.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 760.23ms. Allocated memory is still 109.1MB. Free memory was 59.5MB in the beginning and 43.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 28.93ms. Allocated memory is still 109.1MB. Free memory was 43.9MB in the beginning and 42.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:38:35,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- 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-e04fb08 [2022-11-16 07:38:38,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:38:38,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:38:38,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:38:38,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:38:38,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:38:38,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:38:38,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:38:38,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:38:38,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:38:38,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:38:38,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:38:38,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:38:38,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:38:38,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:38:38,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:38:38,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:38:38,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:38:38,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:38:38,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:38:38,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:38:38,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:38:38,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:38:38,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:38:38,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:38:38,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:38:38,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:38:38,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:38:38,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:38:38,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:38:38,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:38:38,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:38:38,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:38:38,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:38:38,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:38:38,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:38:38,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:38:38,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:38:38,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:38:38,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:38:38,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:38:38,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-16 07:38:38,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:38:38,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:38:38,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:38:38,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:38:38,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:38:38,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:38:38,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:38:38,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:38:38,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:38:38,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:38:38,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:38:38,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:38:38,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:38:38,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 07:38:38,421 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 07:38:38,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 07:38:38,422 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:38:38,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:38:38,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:38:38,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:38:38,423 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:38:38,423 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:38:38,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:38:38,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:38:38,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:38:38,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:38:38,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:38:38,426 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 07:38:38,426 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 07:38:38,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:38:38,427 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 07:38:38,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 07:38:38,427 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_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-16 07:38:38,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:38:38,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:38:38,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:38:38,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:38:38,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:38:38,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/singleton.i [2022-11-16 07:38:38,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/19effef0d/b50e3811e8ae4a6eb3e8c1517456d046/FLAG0385f5ee7 [2022-11-16 07:38:39,709 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:38:39,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/sv-benchmarks/c/pthread/singleton.i [2022-11-16 07:38:39,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/19effef0d/b50e3811e8ae4a6eb3e8c1517456d046/FLAG0385f5ee7 [2022-11-16 07:38:39,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/data/19effef0d/b50e3811e8ae4a6eb3e8c1517456d046 [2022-11-16 07:38:39,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:38:39,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:38:39,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:38:39,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:38:39,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:38:39,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:38:39" (1/1) ... [2022-11-16 07:38:39,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1723284e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:39, skipping insertion in model container [2022-11-16 07:38:39,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:38:39" (1/1) ... [2022-11-16 07:38:39,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:38:40,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:38:40,371 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 07:38:40,731 WARN L229 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_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-16 07:38:40,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:38:40,789 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:38:40,817 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 07:38:40,845 WARN L229 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_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-16 07:38:40,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:38:40,922 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:38:40,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40 WrapperNode [2022-11-16 07:38:40,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:38:40,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:38:40,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:38:40,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:38:40,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:40,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:40,974 INFO L138 Inliner]: procedures = 328, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-11-16 07:38:40,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:38:40,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:38:40,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:38:40,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:38:40,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:40,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:40,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:40,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:41,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:41,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:41,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:41,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:41,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:38:41,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:38:41,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:38:41,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:38:41,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:38:40" (1/1) ... [2022-11-16 07:38:41,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:38:41,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:38:41,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:38:41,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:38:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-16 07:38:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 07:38:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 07:38:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:38:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 07:38:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:38:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 07:38:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 07:38:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 07:38:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-16 07:38:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-16 07:38:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 07:38:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 07:38:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 07:38:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 07:38:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 07:38:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 07:38:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 07:38:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:38:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:38:41,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:38:41,113 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 07:38:41,315 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:38:41,317 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:38:41,662 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:38:41,669 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:38:41,670 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 07:38:41,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:38:41 BoogieIcfgContainer [2022-11-16 07:38:41,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:38:41,673 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:38:41,674 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:38:41,700 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:38:41,700 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:38:41" (1/1) ... [2022-11-16 07:38:41,701 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) [2022-11-16 07:38:41,704 INFO L158 Benchmark]: Toolchain (without parser) took 1729.75ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 36.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-16 07:38:41,705 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 73.4MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:38:41,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 948.55ms. Allocated memory is still 73.4MB. Free memory was 54.4MB in the beginning and 32.6MB in the end (delta: 21.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-16 07:38:41,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.52ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 30.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:38:41,721 INFO L158 Benchmark]: Boogie Preprocessor took 36.53ms. Allocated memory is still 73.4MB. Free memory was 30.0MB in the beginning and 54.5MB in the end (delta: -24.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-16 07:38:41,722 INFO L158 Benchmark]: RCFGBuilder took 660.09ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 37.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 07:38:41,723 INFO L158 Benchmark]: CodeCheck took 29.41ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 36.4MB in the end (delta: 803.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:38:41,726 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 0.39ms. Allocated memory is still 73.4MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 948.55ms. Allocated memory is still 73.4MB. Free memory was 54.4MB in the beginning and 32.6MB in the end (delta: 21.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.52ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 30.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.53ms. Allocated memory is still 73.4MB. Free memory was 30.0MB in the beginning and 54.5MB in the end (delta: -24.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 660.09ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 37.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 29.41ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 36.4MB in the end (delta: 803.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:38:41,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8bc5c0-d286-46ac-aab7-ae3e71eeee04/bin/ukojak-CydTVMUXoH/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