./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA --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 051706a1eb405a384d7cf371ab2d9b9605b94715fa3ad16d6c2eb8e3fbb8fc38 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:02:35,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:02:35,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:02:35,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:02:35,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:02:35,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:02:35,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:02:35,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:02:35,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:02:35,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:02:35,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:02:35,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:02:35,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:02:35,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:02:35,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:02:35,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:02:35,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:02:35,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:02:35,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:02:35,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:02:35,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:02:35,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:02:35,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:02:35,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:02:35,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:02:35,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:02:35,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:02:35,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:02:35,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:02:35,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:02:35,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:02:35,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:02:35,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:02:35,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:02:35,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:02:35,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:02:35,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:02:35,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:02:35,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:02:35,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:02:35,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:02:35,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:02:35,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:02:35,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:02:35,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:02:35,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:02:35,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:02:35,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:02:35,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:02:35,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:02:35,249 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:02:35,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:02:35,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:02:35,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:02:35,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:02:35,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:02:35,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:02:35,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:02:35,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:02:35,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:02:35,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:02:35,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:02:35,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:02:35,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:02:35,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:02:35,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:02:35,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:02:35,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:02:35,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:02:35,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:02:35,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:02:35,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:02:35,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:02:35,256 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:02:35,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:02:35,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:02:35,257 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:02:35,257 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:02:35,257 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_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051706a1eb405a384d7cf371ab2d9b9605b94715fa3ad16d6c2eb8e3fbb8fc38 [2021-11-22 23:02:35,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:02:35,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:02:35,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:02:35,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:02:35,611 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:02:35,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i [2021-11-22 23:02:35,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/data/d54e90107/b1976777505b416499e7cf835957fa35/FLAG63d584b35 [2021-11-22 23:02:36,312 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:02:36,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i [2021-11-22 23:02:36,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/data/d54e90107/b1976777505b416499e7cf835957fa35/FLAG63d584b35 [2021-11-22 23:02:36,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/data/d54e90107/b1976777505b416499e7cf835957fa35 [2021-11-22 23:02:36,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:02:36,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:02:36,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:02:36,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:02:36,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:02:36,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:02:36" (1/1) ... [2021-11-22 23:02:36,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335160e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:36, skipping insertion in model container [2021-11-22 23:02:36,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:02:36" (1/1) ... [2021-11-22 23:02:36,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:02:36,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:02:37,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2021-11-22 23:02:37,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:02:37,185 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:02:37,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2021-11-22 23:02:37,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:02:37,327 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:02:37,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37 WrapperNode [2021-11-22 23:02:37,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:02:37,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:02:37,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:02:37,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:02:37,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,397 INFO L137 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2021-11-22 23:02:37,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:02:37,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:02:37,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:02:37,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:02:37,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:02:37,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:02:37,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:02:37,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:02:37,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (1/1) ... [2021-11-22 23:02:37,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:02:37,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:02:37,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:02:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:02:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:02:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:02:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:02:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:02:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:02:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:02:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:02:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:02:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:02:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 23:02:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:02:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:02:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:02:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:02:37,563 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:02:37,676 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:02:37,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:02:38,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:02:38,026 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:02:38,026 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:02:38,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:02:38 BoogieIcfgContainer [2021-11-22 23:02:38,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:02:38,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 23:02:38,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 23:02:38,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 23:02:38,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:02:36" (1/3) ... [2021-11-22 23:02:38,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46da615e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:02:38, skipping insertion in model container [2021-11-22 23:02:38,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37" (2/3) ... [2021-11-22 23:02:38,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46da615e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:02:38, skipping insertion in model container [2021-11-22 23:02:38,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:02:38" (3/3) ... [2021-11-22 23:02:38,037 INFO L111 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2021-11-22 23:02:38,043 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 23:02:38,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 23:02:38,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 23:02:38,043 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 23:02:38,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,077 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,077 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,078 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,078 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,078 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,078 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,079 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,079 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,079 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,079 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,079 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,080 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,084 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,084 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,085 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,085 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,086 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,086 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,087 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,087 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,087 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,087 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,088 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,088 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,088 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,088 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,088 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,089 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,089 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,089 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,091 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,091 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,093 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,094 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,094 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,095 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,098 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,099 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,100 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:02:38,107 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-22 23:02:38,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-22 23:02:38,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:02:38,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-22 23:02:38,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-22 23:02:38,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-22 23:02:38,207 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 23:02:38,207 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 23:02:38,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:38,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:38,375 INFO L85 PathProgramCache]: Analyzing trace with hash 659529902, now seen corresponding path program 1 times [2021-11-22 23:02:38,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:38,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87415871] [2021-11-22 23:02:38,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:38,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:02:38,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:38,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87415871] [2021-11-22 23:02:38,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87415871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:02:38,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:02:38,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 23:02:38,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791038947] [2021-11-22 23:02:38,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:02:38,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 23:02:38,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:38,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 23:02:38,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 23:02:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:38,819 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:38,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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) [2021-11-22 23:02:38,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:38,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 23:02:38,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:38,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:38,876 INFO L85 PathProgramCache]: Analyzing trace with hash -478344976, now seen corresponding path program 1 times [2021-11-22 23:02:38,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:38,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721085270] [2021-11-22 23:02:38,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:38,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:02:39,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:39,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721085270] [2021-11-22 23:02:39,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721085270] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:02:39,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:02:39,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:02:39,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464416418] [2021-11-22 23:02:39,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:02:39,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:02:39,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:39,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:02:39,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:02:39,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:39,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-22 23:02:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:39,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 23:02:39,092 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:39,093 INFO L85 PathProgramCache]: Analyzing trace with hash -470305948, now seen corresponding path program 1 times [2021-11-22 23:02:39,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:39,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279238225] [2021-11-22 23:02:39,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:39,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:39,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:02:39,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:39,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279238225] [2021-11-22 23:02:39,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279238225] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:02:39,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188632130] [2021-11-22 23:02:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:39,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:39,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:02:39,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:02:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 23:02:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:39,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 23:02:39,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:02:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:02:39,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:02:39,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188632130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:02:39,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:02:39,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-22 23:02:39,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818502412] [2021-11-22 23:02:39,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:02:39,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:02:39,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:39,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:02:39,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:02:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:39,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2021-11-22 23:02:39,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:39,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:39,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:39,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 23:02:39,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:39,991 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:39,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1744216633, now seen corresponding path program 1 times [2021-11-22 23:02:39,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:39,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558948246] [2021-11-22 23:02:39,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:39,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:02:40,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:40,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558948246] [2021-11-22 23:02:40,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558948246] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:02:40,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333741783] [2021-11-22 23:02:40,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:40,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:40,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:02:40,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:02:40,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 23:02:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:40,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:02:40,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:02:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:02:40,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:02:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:02:40,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333741783] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:02:40,642 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:02:40,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-11-22 23:02:40,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130730730] [2021-11-22 23:02:40,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:02:40,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 23:02:40,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 23:02:40,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-22 23:02:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:40,647 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:40,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 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) [2021-11-22 23:02:40,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:40,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:40,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:40,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:40,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:40,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-22 23:02:40,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:40,971 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:40,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:40,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1554480455, now seen corresponding path program 2 times [2021-11-22 23:02:40,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:40,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251879890] [2021-11-22 23:02:40,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:40,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:02:41,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:41,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251879890] [2021-11-22 23:02:41,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251879890] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:02:41,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323739661] [2021-11-22 23:02:41,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:02:41,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:41,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:02:41,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:02:41,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 23:02:41,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:02:41,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:02:41,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:02:41,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:02:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:02:41,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:02:41,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323739661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:02:41,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:02:41,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-22 23:02:41,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756213628] [2021-11-22 23:02:41,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:02:41,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 23:02:41,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:41,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 23:02:41,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 23:02:41,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:41,518 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:41,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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) [2021-11-22 23:02:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:41,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:02:41,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 23:02:41,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:41,867 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:41,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:41,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1143360259, now seen corresponding path program 1 times [2021-11-22 23:02:41,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:41,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047733820] [2021-11-22 23:02:41,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:41,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:02:41,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:41,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047733820] [2021-11-22 23:02:41,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047733820] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:02:41,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999018900] [2021-11-22 23:02:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:41,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:41,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:02:41,959 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:02:41,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 23:02:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:42,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:02:42,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:02:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:02:42,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:02:42,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999018900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:02:42,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:02:42,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-11-22 23:02:42,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457251185] [2021-11-22 23:02:42,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:02:42,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:02:42,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:42,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:02:42,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-22 23:02:42,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,303 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:42,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2021-11-22 23:02:42,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:42,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:02:42,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:02:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:02:42,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 23:02:42,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:42,675 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:42,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:42,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1323548006, now seen corresponding path program 2 times [2021-11-22 23:02:42,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:42,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449429367] [2021-11-22 23:02:42,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:42,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:02:42,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:42,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449429367] [2021-11-22 23:02:42,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449429367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:02:42,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:02:42,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:02:42,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726449017] [2021-11-22 23:02:42,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:02:42,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:02:42,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:42,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:02:42,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:02:42,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,731 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:42,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-11-22 23:02:42,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:02:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:02:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:02:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:02:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:42,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 23:02:42,782 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:42,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1666556, now seen corresponding path program 3 times [2021-11-22 23:02:42,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:42,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229770038] [2021-11-22 23:02:42,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:42,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:02:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:02:42,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:02:42,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229770038] [2021-11-22 23:02:42,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229770038] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:02:42,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808826661] [2021-11-22 23:02:42,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:02:42,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:02:42,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:02:42,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:02:42,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 23:02:43,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-22 23:02:43,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:02:43,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:02:43,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:02:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:02:43,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:02:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:02:43,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808826661] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:02:43,458 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:02:43,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2021-11-22 23:02:43,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553717316] [2021-11-22 23:02:43,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:02:43,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 23:02:43,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:02:43,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 23:02:43,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-22 23:02:43,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:43,462 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:02:43,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 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) [2021-11-22 23:02:43,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:43,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:43,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:43,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:43,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:02:43,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:02:43,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:43,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:02:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:02:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:02:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:02:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:02:43,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 23:02:43,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-22 23:02:43,770 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 23:02:43,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:02:43,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1066626855, now seen corresponding path program 4 times [2021-11-22 23:02:43,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:02:43,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867123992] [2021-11-22 23:02:43,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:02:43,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:02:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:02:43,849 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:02:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:02:43,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 23:02:43,973 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 23:02:43,974 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-22 23:02:43,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-22 23:02:43,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-22 23:02:43,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 23:02:43,986 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1] [2021-11-22 23:02:43,991 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-22 23:02:43,991 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 23:02:44,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:02:44 BasicIcfg [2021-11-22 23:02:44,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 23:02:44,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:02:44,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:02:44,200 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:02:44,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:02:38" (3/4) ... [2021-11-22 23:02:44,205 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:02:44,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/witness.graphml [2021-11-22 23:02:44,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:02:44,352 INFO L158 Benchmark]: Toolchain (without parser) took 7775.99ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 96.4MB in the beginning and 97.6MB in the end (delta: -1.2MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2021-11-22 23:02:44,352 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:02:44,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.00ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 90.8MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:02:44,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.14ms. Allocated memory is still 132.1MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:02:44,353 INFO L158 Benchmark]: Boogie Preprocessor took 64.86ms. Allocated memory is still 132.1MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:02:44,353 INFO L158 Benchmark]: RCFGBuilder took 549.41ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 71.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:02:44,354 INFO L158 Benchmark]: TraceAbstraction took 6168.57ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 71.9MB in the beginning and 122.8MB in the end (delta: -50.9MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2021-11-22 23:02:44,354 INFO L158 Benchmark]: Witness Printer took 151.06ms. Allocated memory is still 169.9MB. Free memory was 122.8MB in the beginning and 97.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-22 23:02:44,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.00ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 90.8MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.14ms. Allocated memory is still 132.1MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.86ms. Allocated memory is still 132.1MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.41ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 71.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6168.57ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 71.9MB in the beginning and 122.8MB in the end (delta: -50.9MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * Witness Printer took 151.06ms. Allocated memory is still 169.9MB. Free memory was 122.8MB in the beginning and 97.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2952, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 277, negative conditional: 263, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 777, positive unconditional: 1898, negative: 76, negative conditional: 48, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1501, positive: 1484, positive conditional: 4, positive unconditional: 1480, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1501, positive: 1479, positive conditional: 0, positive unconditional: 1479, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 13, positive conditional: 1, positive unconditional: 12, negative: 71, negative conditional: 5, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2751, positive: 1191, positive conditional: 242, positive unconditional: 949, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 1501, unknown conditional: 7, unknown unconditional: 1494] , Statistics on independence cache: Total cache size (in pairs): 1501, Positive cache size: 1484, Positive conditional cache size: 4, Positive unconditional cache size: 1480, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Eliminated conditions: 567, Maximal queried relation: 5, Independence queries for same thread: 249 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 161, Number of trivial persistent sets: 103, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1734, positive: 1720, positive conditional: 0, positive unconditional: 1720, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2952, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 277, negative conditional: 263, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 777, positive unconditional: 1898, negative: 76, negative conditional: 48, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1501, positive: 1484, positive conditional: 4, positive unconditional: 1480, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1501, positive: 1479, positive conditional: 0, positive unconditional: 1479, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 13, positive conditional: 1, positive unconditional: 12, negative: 71, negative conditional: 5, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2751, positive: 1191, positive conditional: 242, positive unconditional: 949, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 1501, unknown conditional: 7, unknown unconditional: 1494] , Statistics on independence cache: Total cache size (in pairs): 1501, Positive cache size: 1484, Positive conditional cache size: 4, Positive unconditional cache size: 1480, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Eliminated conditions: 567, Maximal queried relation: 5, Independence queries for same thread: 249 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; VAL [num=0] [L871] 0 unsigned long total; VAL [num=0, total=0] [L872] 0 int flag; VAL [flag=0, num=0, total=0] [L873] 0 pthread_mutex_t m; VAL [flag=0, m={3:0}, num=0, total=0] [L874] 0 pthread_cond_t empty, full; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L907] 0 pthread_t t1, t2; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 num = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 total = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t1, 0, thread1, 0)=-1, t1={7:0}, t2={6:0}, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t2, 0, thread2, 0)=0, t1={7:0}, t2={6:0}, total=0] [L915] 0 \read(t1) VAL [\read(t1)=-1, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L876] 1 int i; VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L877] 1 i = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L890] 2 int j; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L891] 2 j = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=1] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=0, total=1] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=1] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=1, m={3:0}, num=1, total=1] [L878] COND FALSE 1 !(i < 3) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=1, m={3:0}, num=1, total=1] [L887] 1 return ((void *)0); VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=1, m={3:0}, num=1, total=1] [L900] 2 j++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L892] COND TRUE 2 j < 3 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L894] COND FALSE 2 !(num == 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L896] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=3] [L897] 2 num-- VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=0, total=3] [L900] 2 j++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=3] [L892] COND FALSE 2 !(j < 3) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=3] [L902] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L903] 2 flag = 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L904] 2 return ((void *)0); VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L916] 0 \read(t2) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L917] COND TRUE 0 \read(flag) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L919] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 171 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, 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: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1732 NumberOfCodeBlocks, 1732 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1814 ConstructedInterpolants, 0 QuantifiedInterpolants, 2542 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1413 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 315/402 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 RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:02:44,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 23:02:44,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd204a9-9632-4afb-a590-2234ffb07740/bin/ugemcutter-lIJgRBJBxA/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE