./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.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_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6 --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b --- 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 [2022-11-15 21:00:54,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 21:00:54,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 21:00:54,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 21:00:54,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 21:00:54,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 21:00:54,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 21:00:54,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 21:00:54,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 21:00:54,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 21:00:54,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 21:00:54,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 21:00:54,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 21:00:54,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 21:00:54,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 21:00:54,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 21:00:54,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 21:00:54,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 21:00:54,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 21:00:54,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 21:00:54,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 21:00:54,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 21:00:54,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 21:00:54,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 21:00:54,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 21:00:54,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 21:00:54,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 21:00:54,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 21:00:54,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 21:00:54,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 21:00:54,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 21:00:54,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 21:00:54,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 21:00:54,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 21:00:54,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 21:00:54,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 21:00:54,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 21:00:54,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 21:00:54,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 21:00:54,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 21:00:54,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 21:00:54,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-15 21:00:54,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 21:00:54,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 21:00:54,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 21:00:54,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 21:00:54,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 21:00:54,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 21:00:54,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 21:00:54,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 21:00:54,252 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 21:00:54,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 21:00:54,253 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 21:00:54,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 21:00:54,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 21:00:54,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 21:00:54,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 21:00:54,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 21:00:54,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 21:00:54,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 21:00:54,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 21:00:54,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 21:00:54,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 21:00:54,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 21:00:54,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 21:00:54,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 21:00:54,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 21:00:54,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 21:00:54,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 21:00:54,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 21:00:54,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 21:00:54,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 21:00:54,258 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-15 21:00:54,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 21:00:54,258 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 21:00:54,259 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 21:00:54,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 21:00:54,259 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 21:00:54,259 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 21:00:54,260 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_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b [2022-11-15 21:00:54,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 21:00:54,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 21:00:54,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 21:00:54,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 21:00:54,609 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 21:00:54,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/../../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-15 21:00:54,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/data/69ed38395/fcb46865aaf1430cbe3c927cb8e87428/FLAGe49b5bff5 [2022-11-15 21:00:55,227 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 21:00:55,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-15 21:00:55,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/data/69ed38395/fcb46865aaf1430cbe3c927cb8e87428/FLAGe49b5bff5 [2022-11-15 21:00:55,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/data/69ed38395/fcb46865aaf1430cbe3c927cb8e87428 [2022-11-15 21:00:55,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 21:00:55,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-15 21:00:55,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 21:00:55,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 21:00:55,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 21:00:55,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:00:55" (1/1) ... [2022-11-15 21:00:55,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378f570b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:55, skipping insertion in model container [2022-11-15 21:00:55,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:00:55" (1/1) ... [2022-11-15 21:00:55,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 21:00:55,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 21:00:55,809 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_1799fe48-b053-47d8-8bb3-f9510bf007a6/sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-15 21:00:56,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 21:00:56,058 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 21:00:56,072 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_1799fe48-b053-47d8-8bb3-f9510bf007a6/sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-15 21:00:56,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 21:00:56,166 INFO L208 MainTranslator]: Completed translation [2022-11-15 21:00:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56 WrapperNode [2022-11-15 21:00:56,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 21:00:56,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 21:00:56,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 21:00:56,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 21:00:56,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,240 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-11-15 21:00:56,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 21:00:56,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 21:00:56,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 21:00:56,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 21:00:56,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 21:00:56,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 21:00:56,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 21:00:56,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 21:00:56,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (1/1) ... [2022-11-15 21:00:56,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 21:00:56,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-15 21:00:56,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-15 21:00:56,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-15 21:00:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 21:00:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 21:00:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 21:00:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 21:00:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 21:00:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-15 21:00:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-15 21:00:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-15 21:00:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-15 21:00:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-15 21:00:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-15 21:00:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 21:00:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 21:00:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 21:00:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 21:00:56,386 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 21:00:56,566 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 21:00:56,582 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 21:00:56,765 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 21:00:56,772 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 21:00:56,772 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 21:00:56,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:00:56 BoogieIcfgContainer [2022-11-15 21:00:56,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 21:00:56,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 21:00:56,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 21:00:56,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 21:00:56,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:00:55" (1/3) ... [2022-11-15 21:00:56,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1750752b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:00:56, skipping insertion in model container [2022-11-15 21:00:56,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:00:56" (2/3) ... [2022-11-15 21:00:56,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1750752b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:00:56, skipping insertion in model container [2022-11-15 21:00:56,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:00:56" (3/3) ... [2022-11-15 21:00:56,784 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-15 21:00:56,793 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 21:00:56,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 21:00:56,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 21:00:56,804 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 21:00:56,856 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-15 21:00:56,904 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 21:00:56,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 21:00:56,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-15 21:00:56,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 21:00:56,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-15 21:00:56,970 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 21:00:57,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 21:00:57,011 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79e21ea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 21:00:57,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-15 21:00:57,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 21:00:57,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 21:00:57,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1472235777, now seen corresponding path program 1 times [2022-11-15 21:00:57,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 21:00:57,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259669529] [2022-11-15 21:00:57,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 21:00:57,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 21:00:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 21:00:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 21:00:57,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 21:00:57,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259669529] [2022-11-15 21:00:57,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259669529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 21:00:57,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 21:00:57,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 21:00:57,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898890109] [2022-11-15 21:00:57,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 21:00:57,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 21:00:57,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 21:00:57,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 21:00:57,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 21:00:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:57,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 21:00:57,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 21:00:57,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:57,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 21:00:57,799 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 21:00:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 21:00:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash -222105751, now seen corresponding path program 1 times [2022-11-15 21:00:57,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 21:00:57,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878359467] [2022-11-15 21:00:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 21:00:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 21:00:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 21:00:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 21:00:58,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 21:00:58,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878359467] [2022-11-15 21:00:58,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878359467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 21:00:58,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 21:00:58,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 21:00:58,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999985217] [2022-11-15 21:00:58,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 21:00:58,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 21:00:58,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 21:00:58,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 21:00:58,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 21:00:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 21:00:58,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 21:00:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 21:00:58,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 21:00:58,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 21:00:58,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 21:00:58,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1602476728, now seen corresponding path program 1 times [2022-11-15 21:00:58,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 21:00:58,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658765743] [2022-11-15 21:00:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 21:00:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 21:00:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 21:00:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 21:00:58,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 21:00:58,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658765743] [2022-11-15 21:00:58,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658765743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 21:00:58,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 21:00:58,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-15 21:00:58,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903296921] [2022-11-15 21:00:58,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 21:00:58,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-15 21:00:58,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 21:00:58,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-15 21:00:58,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-15 21:00:58,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 21:00:58,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 21:00:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 21:00:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 21:00:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 21:00:58,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 21:00:58,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 21:00:58,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 21:00:58,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1221014251, now seen corresponding path program 1 times [2022-11-15 21:00:58,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 21:00:58,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303401457] [2022-11-15 21:00:58,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 21:00:58,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 21:00:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 21:00:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 21:00:59,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 21:00:59,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303401457] [2022-11-15 21:00:59,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303401457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 21:00:59,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 21:00:59,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 21:00:59,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235319084] [2022-11-15 21:00:59,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 21:00:59,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 21:00:59,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 21:00:59,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 21:00:59,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-15 21:00:59,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:59,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 21:00:59,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 21:00:59,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:59,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 21:00:59,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 21:00:59,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:00:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 21:00:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 21:00:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 21:00:59,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 21:00:59,742 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 21:00:59,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 21:00:59,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1875685099, now seen corresponding path program 2 times [2022-11-15 21:00:59,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 21:00:59,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969929159] [2022-11-15 21:00:59,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 21:00:59,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 21:00:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 21:01:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 21:01:00,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 21:01:00,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969929159] [2022-11-15 21:01:00,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969929159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 21:01:00,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 21:01:00,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 21:01:00,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918796209] [2022-11-15 21:01:00,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 21:01:00,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 21:01:00,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 21:01:00,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 21:01:00,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-15 21:01:00,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:01:00,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 21:01:00,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 21:01:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:01:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 21:01:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 21:01:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 21:01:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:01:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 21:01:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 21:01:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 21:01:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 21:01:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 21:01:00,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-15 21:01:00,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-15 21:01:00,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-15 21:01:00,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-15 21:01:00,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 21:01:00,548 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-11-15 21:01:00,552 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 21:01:00,552 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 21:01:00,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:01:00 BasicIcfg [2022-11-15 21:01:00,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 21:01:00,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-15 21:01:00,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-15 21:01:00,559 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-15 21:01:00,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:00:56" (3/4) ... [2022-11-15 21:01:00,563 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-15 21:01:00,570 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-15 21:01:00,570 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-15 21:01:00,570 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-15 21:01:00,576 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-15 21:01:00,576 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-15 21:01:00,576 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-15 21:01:00,576 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-15 21:01:00,620 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/witness.graphml [2022-11-15 21:01:00,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-15 21:01:00,621 INFO L158 Benchmark]: Toolchain (without parser) took 5076.76ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 85.8MB in the beginning and 102.8MB in the end (delta: -17.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-11-15 21:01:00,622 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-15 21:01:00,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.54ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 87.3MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-15 21:01:00,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.43ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 85.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-15 21:01:00,624 INFO L158 Benchmark]: Boogie Preprocessor took 32.03ms. Allocated memory is still 123.7MB. Free memory was 85.1MB in the beginning and 83.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-15 21:01:00,624 INFO L158 Benchmark]: RCFGBuilder took 489.45ms. Allocated memory is still 123.7MB. Free memory was 83.7MB in the beginning and 70.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-15 21:01:00,624 INFO L158 Benchmark]: TraceAbstraction took 3781.41ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 69.1MB in the beginning and 106.0MB in the end (delta: -36.9MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2022-11-15 21:01:00,625 INFO L158 Benchmark]: Witness Printer took 61.58ms. Allocated memory is still 184.5MB. Free memory was 106.0MB in the beginning and 102.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-15 21:01:00,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.54ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 87.3MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.43ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 85.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.03ms. Allocated memory is still 123.7MB. Free memory was 85.1MB in the beginning and 83.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.45ms. Allocated memory is still 123.7MB. Free memory was 83.7MB in the beginning and 70.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3781.41ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 69.1MB in the beginning and 106.0MB in the end (delta: -36.9MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Witness Printer took 61.58ms. Allocated memory is still 184.5MB. Free memory was 106.0MB in the beginning and 102.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17790, independent: 17255, independent conditional: 15987, independent unconditional: 1268, dependent: 535, dependent conditional: 515, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17612, independent: 17255, independent conditional: 15987, independent unconditional: 1268, dependent: 357, dependent conditional: 337, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17612, independent: 17255, independent conditional: 15987, independent unconditional: 1268, dependent: 357, dependent conditional: 337, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18893, independent: 17255, independent conditional: 194, independent unconditional: 17061, dependent: 1638, dependent conditional: 1087, dependent unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18893, independent: 17255, independent conditional: 194, independent unconditional: 17061, dependent: 1638, dependent conditional: 202, dependent unconditional: 1436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18893, independent: 17255, independent conditional: 194, independent unconditional: 17061, dependent: 1638, dependent conditional: 202, dependent unconditional: 1436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1303, independent: 1278, independent conditional: 10, independent unconditional: 1268, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1303, independent: 1260, independent conditional: 0, independent unconditional: 1260, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, independent: 124, independent conditional: 21, independent unconditional: 103, dependent: 119, dependent conditional: 15, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18893, independent: 15977, independent conditional: 184, independent unconditional: 15793, dependent: 1613, dependent conditional: 197, dependent unconditional: 1416, unknown: 1303, unknown conditional: 15, unknown unconditional: 1288] , Statistics on independence cache: Total cache size (in pairs): 1303, Positive cache size: 1278, Positive conditional cache size: 10, Positive unconditional cache size: 1268, Negative cache size: 25, Negative conditional cache size: 5, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 885, Maximal queried relation: 4, Independence queries for same thread: 178 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 1434, Number of trivial persistent sets: 464, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1288, independent: 1268, independent conditional: 0, independent unconditional: 1268, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17790, independent: 17255, independent conditional: 15987, independent unconditional: 1268, dependent: 535, dependent conditional: 515, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17612, independent: 17255, independent conditional: 15987, independent unconditional: 1268, dependent: 357, dependent conditional: 337, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17612, independent: 17255, independent conditional: 15987, independent unconditional: 1268, dependent: 357, dependent conditional: 337, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18893, independent: 17255, independent conditional: 194, independent unconditional: 17061, dependent: 1638, dependent conditional: 1087, dependent unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18893, independent: 17255, independent conditional: 194, independent unconditional: 17061, dependent: 1638, dependent conditional: 202, dependent unconditional: 1436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18893, independent: 17255, independent conditional: 194, independent unconditional: 17061, dependent: 1638, dependent conditional: 202, dependent unconditional: 1436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1303, independent: 1278, independent conditional: 10, independent unconditional: 1268, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1303, independent: 1260, independent conditional: 0, independent unconditional: 1260, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, independent: 124, independent conditional: 21, independent unconditional: 103, dependent: 119, dependent conditional: 15, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18893, independent: 15977, independent conditional: 184, independent unconditional: 15793, dependent: 1613, dependent conditional: 197, dependent unconditional: 1416, unknown: 1303, unknown conditional: 15, unknown unconditional: 1288] , Statistics on independence cache: Total cache size (in pairs): 1303, Positive cache size: 1278, Positive conditional cache size: 10, Positive unconditional cache size: 1268, Negative cache size: 25, Negative conditional cache size: 5, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 885, Maximal queried relation: 4, Independence queries for same thread: 178 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-15 21:01:00,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-15 21:01:00,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799fe48-b053-47d8-8bb3-f9510bf007a6/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE