./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7 --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 3830c20323b2260c1b4fa6c40d333ff867c072be ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:24:03,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:24:03,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:24:03,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:24:03,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:24:03,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:24:03,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:24:03,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:24:03,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:24:03,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:24:03,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:24:03,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:24:03,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:24:03,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:24:03,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:24:03,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:24:03,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:24:03,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:24:03,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:24:03,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:24:03,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:24:03,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:24:03,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:24:03,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:24:03,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:24:03,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:24:03,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:24:03,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:24:03,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:24:03,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:24:03,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:24:03,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:24:03,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:24:03,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:24:03,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:24:03,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:24:03,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:24:03,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:24:03,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:24:03,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:24:03,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:24:03,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:24:03,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:24:03,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:24:03,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:24:03,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:24:03,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:24:03,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:24:03,713 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:24:03,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:24:03,714 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:24:03,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:24:03,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:24:03,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:24:03,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:24:03,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:24:03,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:24:03,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:24:03,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:24:03,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:24:03,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:24:03,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:24:03,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:24:03,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:24:03,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:24:03,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:03,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:24:03,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:24:03,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:24:03,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:24:03,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:24:03,721 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:24:03,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:24:03,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:24:03,722 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:24:03,722 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:24:03,722 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_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3830c20323b2260c1b4fa6c40d333ff867c072be [2021-10-16 01:24:04,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:24:04,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:24:04,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:24:04,041 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:24:04,041 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:24:04,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2021-10-16 01:24:04,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/data/42fd0c6af/d99b23564e9d4275b11ba24928224c85/FLAG07eda2af5 [2021-10-16 01:24:04,538 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:24:04,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2021-10-16 01:24:04,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/data/42fd0c6af/d99b23564e9d4275b11ba24928224c85/FLAG07eda2af5 [2021-10-16 01:24:04,927 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/data/42fd0c6af/d99b23564e9d4275b11ba24928224c85 [2021-10-16 01:24:04,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:24:04,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:24:04,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:04,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:24:04,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:24:04,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:04" (1/1) ... [2021-10-16 01:24:04,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5979d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:04, skipping insertion in model container [2021-10-16 01:24:04,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:04" (1/1) ... [2021-10-16 01:24:04,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:24:04,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:24:05,171 WARN L228 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_5832cc60-527f-438b-aa6f-b89525bf591b/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c[2422,2435] [2021-10-16 01:24:05,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:24:05,182 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:24:05,204 WARN L228 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_5832cc60-527f-438b-aa6f-b89525bf591b/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c[2422,2435] [2021-10-16 01:24:05,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:24:05,219 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:24:05,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05 WrapperNode [2021-10-16 01:24:05,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:05,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:24:05,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:24:05,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:24:05,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:24:05,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:24:05,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:24:05,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:24:05,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:24:05,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:24:05,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:24:05,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:24:05,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (1/1) ... [2021-10-16 01:24:05,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:05,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:24:05,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:24:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 01:24:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 01:24:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 01:24:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 01:24:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 01:24:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 01:24:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 01:24:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:24:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 01:24:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 01:24:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 01:24:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:24:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:24:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 01:24:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 01:24:05,391 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 01:24:05,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:24:05,815 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 01:24:05,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:05 BoogieIcfgContainer [2021-10-16 01:24:05,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 01:24:05,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 01:24:05,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 01:24:05,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 01:24:05,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:24:04" (1/3) ... [2021-10-16 01:24:05,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c42570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:05, skipping insertion in model container [2021-10-16 01:24:05,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:05" (2/3) ... [2021-10-16 01:24:05,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c42570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:05, skipping insertion in model container [2021-10-16 01:24:05,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:05" (3/3) ... [2021-10-16 01:24:05,832 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c [2021-10-16 01:24:05,845 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 01:24:05,845 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 01:24:05,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 01:24:05,846 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 01:24:05,891 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,892 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,892 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,897 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,897 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,897 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,898 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,898 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,900 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,900 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,900 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,901 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,904 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,905 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,907 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,907 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:05,920 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-16 01:24:05,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 01:24:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:05,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-16 01:24:05,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-16 01:24:06,004 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-16 01:24:06,010 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, mConcurrency=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 [2021-10-16 01:24:06,011 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 01:24:06,196 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:06,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:06,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2117794836, now seen corresponding path program 1 times [2021-10-16 01:24:06,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:06,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608779886] [2021-10-16 01:24:06,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:06,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:24:06,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:06,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608779886] [2021-10-16 01:24:06,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608779886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:06,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:06,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:24:06,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107753078] [2021-10-16 01:24:06,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 01:24:06,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:06,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 01:24:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 01:24:06,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:06,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:06,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:24:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:06,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:06,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 01:24:06,494 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:06,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:06,495 INFO L82 PathProgramCache]: Analyzing trace with hash 593483870, now seen corresponding path program 1 times [2021-10-16 01:24:06,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:06,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162617448] [2021-10-16 01:24:06,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:06,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:24:06,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:06,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162617448] [2021-10-16 01:24:06,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162617448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:06,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:06,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 01:24:06,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052769404] [2021-10-16 01:24:06,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 01:24:06,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 01:24:06,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 01:24:06,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:06,729 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:06,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:24:06,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:06,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:06,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:06,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 01:24:06,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:06,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:06,855 INFO L82 PathProgramCache]: Analyzing trace with hash 444659534, now seen corresponding path program 1 times [2021-10-16 01:24:06,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:06,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480858586] [2021-10-16 01:24:06,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:06,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:24:07,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:07,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480858586] [2021-10-16 01:24:07,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480858586] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:07,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635961429] [2021-10-16 01:24:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:07,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:07,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:07,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 01:24:07,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-16 01:24:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:07,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 01:24:07,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:24:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:24:08,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635961429] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:08,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-16 01:24:08,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-10-16 01:24:08,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428601637] [2021-10-16 01:24:08,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 01:24:08,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:08,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 01:24:08,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-16 01:24:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,019 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:08,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 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) [2021-10-16 01:24:08,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:08,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:08,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:08,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-16 01:24:08,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:08,721 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:08,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1163175158, now seen corresponding path program 1 times [2021-10-16 01:24:08,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:08,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656819413] [2021-10-16 01:24:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:08,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 01:24:08,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:08,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656819413] [2021-10-16 01:24:08,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656819413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:08,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:08,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 01:24:08,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590944881] [2021-10-16 01:24:08,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 01:24:08,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:08,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 01:24:08,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:24:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:08,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2021-10-16 01:24:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:08,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 01:24:08,938 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:08,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:08,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2118156508, now seen corresponding path program 1 times [2021-10-16 01:24:08,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:08,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200686393] [2021-10-16 01:24:08,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:08,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 01:24:09,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:09,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200686393] [2021-10-16 01:24:09,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200686393] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:09,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730484277] [2021-10-16 01:24:09,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:09,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:09,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:09,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 01:24:09,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-16 01:24:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:09,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-16 01:24:09,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:24:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 01:24:09,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730484277] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:09,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-16 01:24:09,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 17 [2021-10-16 01:24:09,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395109232] [2021-10-16 01:24:09,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 01:24:09,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:09,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 01:24:09,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-16 01:24:09,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:09,853 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:09,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 17 states have internal predecessors, (118), 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) [2021-10-16 01:24:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 01:24:10,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-16 01:24:10,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:10,805 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash -551980000, now seen corresponding path program 1 times [2021-10-16 01:24:10,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:10,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294372640] [2021-10-16 01:24:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:10,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 01:24:11,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:11,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294372640] [2021-10-16 01:24:11,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294372640] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:11,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291073787] [2021-10-16 01:24:11,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:11,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:11,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:11,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 01:24:11,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-16 01:24:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:11,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 01:24:11,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:24:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-16 01:24:11,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291073787] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:11,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-16 01:24:11,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-10-16 01:24:11,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72049555] [2021-10-16 01:24:11,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 01:24:11,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:11,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 01:24:11,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-16 01:24:11,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:11,686 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:11,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 11 states have internal predecessors, (118), 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) [2021-10-16 01:24:11,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:11,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:11,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:11,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:11,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-16 01:24:11,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 01:24:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:12,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-16 01:24:12,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:12,249 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:12,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:12,249 INFO L82 PathProgramCache]: Analyzing trace with hash 472517960, now seen corresponding path program 2 times [2021-10-16 01:24:12,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:12,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518880892] [2021-10-16 01:24:12,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:12,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-16 01:24:12,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:12,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518880892] [2021-10-16 01:24:12,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518880892] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:12,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:12,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 01:24:12,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143330854] [2021-10-16 01:24:12,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 01:24:12,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:12,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 01:24:12,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:24:12,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,336 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:12,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2021-10-16 01:24:12,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:12,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:12,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:12,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-16 01:24:12,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:12,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 01:24:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:12,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 01:24:12,497 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:24:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:12,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1773694946, now seen corresponding path program 3 times [2021-10-16 01:24:12,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:12,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132099174] [2021-10-16 01:24:12,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:12,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 01:24:12,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:12,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132099174] [2021-10-16 01:24:12,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132099174] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:12,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498529775] [2021-10-16 01:24:12,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 01:24:12,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:12,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:12,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 01:24:12,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-16 01:24:12,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-16 01:24:12,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 01:24:12,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-16 01:24:12,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:24:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 01:24:13,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498529775] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:24:13,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-16 01:24:13,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-10-16 01:24:13,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816751653] [2021-10-16 01:24:13,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-16 01:24:13,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:13,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-16 01:24:13,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-16 01:24:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,343 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:13,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 14 states have internal predecessors, (118), 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) [2021-10-16 01:24:13,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:13,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-16 01:24:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:24:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 01:24:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:24:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 01:24:13,861 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:24:13,862 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 01:24:13,862 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 01:24:13,862 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 01:24:13,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-16 01:24:14,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:24:14,084 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 01:24:14,084 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 01:24:14,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:24:14 BasicIcfg [2021-10-16 01:24:14,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 01:24:14,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 01:24:14,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 01:24:14,087 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 01:24:14,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:05" (3/4) ... [2021-10-16 01:24:14,091 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 01:24:14,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-16 01:24:14,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-16 01:24:14,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-16 01:24:14,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-16 01:24:14,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 01:24:14,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:24:14,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:24:14,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/witness.graphml [2021-10-16 01:24:14,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 01:24:14,163 INFO L168 Benchmark]: Toolchain (without parser) took 9230.97 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 75.7 MB in the beginning and 42.8 MB in the end (delta: 32.9 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:14,164 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory was 91.9 MB in the beginning and 91.9 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:14,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.58 ms. Allocated memory is still 113.2 MB. Free memory was 75.5 MB in the beginning and 86.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:14,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.13 ms. Allocated memory is still 113.2 MB. Free memory was 86.4 MB in the beginning and 84.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:14,165 INFO L168 Benchmark]: Boogie Preprocessor took 27.05 ms. Allocated memory is still 113.2 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:14,165 INFO L168 Benchmark]: RCFGBuilder took 532.39 ms. Allocated memory is still 113.2 MB. Free memory was 83.6 MB in the beginning and 70.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:14,165 INFO L168 Benchmark]: TraceAbstraction took 8266.02 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 70.0 MB in the beginning and 46.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 48.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:14,166 INFO L168 Benchmark]: Witness Printer took 74.14 ms. Allocated memory is still 136.3 MB. Free memory was 46.0 MB in the beginning and 42.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:14,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory was 91.9 MB in the beginning and 91.9 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 287.58 ms. Allocated memory is still 113.2 MB. Free memory was 75.5 MB in the beginning and 86.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.13 ms. Allocated memory is still 113.2 MB. Free memory was 86.4 MB in the beginning and 84.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.05 ms. Allocated memory is still 113.2 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 532.39 ms. Allocated memory is still 113.2 MB. Free memory was 83.6 MB in the beginning and 70.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8266.02 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 70.0 MB in the beginning and 46.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 48.1 MB. Max. memory is 16.1 GB. * Witness Printer took 74.14 ms. Allocated memory is still 136.3 MB. Free memory was 46.0 MB in the beginning and 42.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9056, positive: 7572, positive conditional: 6526, positive unconditional: 1046, negative: 1484, negative conditional: 1469, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7732, positive: 7572, positive conditional: 6526, positive unconditional: 1046, negative: 160, negative conditional: 145, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7732, positive: 7572, positive conditional: 6526, positive unconditional: 1046, negative: 160, negative conditional: 145, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9125, positive: 7572, positive conditional: 6020, positive unconditional: 1552, negative: 1553, negative conditional: 1393, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9125, positive: 7572, positive conditional: 3844, positive unconditional: 3728, negative: 1553, negative conditional: 572, negative unconditional: 981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9125, positive: 7572, positive conditional: 3844, positive unconditional: 3728, negative: 1553, negative conditional: 572, negative unconditional: 981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1029, positive: 980, positive conditional: 68, positive unconditional: 912, negative: 49, negative conditional: 32, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1029, positive: 904, positive conditional: 0, positive unconditional: 904, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 125, positive: 76, positive conditional: 68, positive unconditional: 8, negative: 49, negative conditional: 32, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 153, positive conditional: 141, positive unconditional: 12, negative: 116, negative conditional: 50, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9125, positive: 6592, positive conditional: 3776, positive unconditional: 2816, negative: 1504, negative conditional: 540, negative unconditional: 964, unknown: 1029, unknown conditional: 100, unknown unconditional: 929] , Statistics on independence cache: Total cache size (in pairs): 1029, Positive cache size: 980, Positive conditional cache size: 68, Positive unconditional cache size: 912, Negative cache size: 49, Negative conditional cache size: 32, Negative unconditional cache size: 17, Eliminated conditions: 2997, Maximal queried relation: 6, Independence queries for same thread: 1324 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 147, Number of persistent set computation: 117, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1061, positive: 1046, positive conditional: 0, positive unconditional: 1046, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9056, positive: 7572, positive conditional: 6526, positive unconditional: 1046, negative: 1484, negative conditional: 1469, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7732, positive: 7572, positive conditional: 6526, positive unconditional: 1046, negative: 160, negative conditional: 145, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7732, positive: 7572, positive conditional: 6526, positive unconditional: 1046, negative: 160, negative conditional: 145, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9125, positive: 7572, positive conditional: 6020, positive unconditional: 1552, negative: 1553, negative conditional: 1393, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9125, positive: 7572, positive conditional: 3844, positive unconditional: 3728, negative: 1553, negative conditional: 572, negative unconditional: 981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9125, positive: 7572, positive conditional: 3844, positive unconditional: 3728, negative: 1553, negative conditional: 572, negative unconditional: 981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1029, positive: 980, positive conditional: 68, positive unconditional: 912, negative: 49, negative conditional: 32, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1029, positive: 904, positive conditional: 0, positive unconditional: 904, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 125, positive: 76, positive conditional: 68, positive unconditional: 8, negative: 49, negative conditional: 32, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 153, positive conditional: 141, positive unconditional: 12, negative: 116, negative conditional: 50, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9125, positive: 6592, positive conditional: 3776, positive unconditional: 2816, negative: 1504, negative conditional: 540, negative unconditional: 964, unknown: 1029, unknown conditional: 100, unknown unconditional: 929] , Statistics on independence cache: Total cache size (in pairs): 1029, Positive cache size: 980, Positive conditional cache size: 68, Positive unconditional cache size: 912, Negative cache size: 49, Negative conditional cache size: 32, Negative unconditional cache size: 17, Eliminated conditions: 2997, Maximal queried relation: 6, Independence queries for same thread: 1324 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 100]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8116.9ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.5ms, PartialOrderReductionTime: 2622.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 94.6ms SsaConstructionTime, 519.6ms SatisfiabilityAnalysisTime, 3321.9ms InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 989 ConstructedInterpolants, 0 QuantifiedInterpolants, 5872 SizeOfPredicates, 27 NumberOfNonLiveVariables, 808 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 157/245 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 01:24:14,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-16 01:24:14,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5832cc60-527f-438b-aa6f-b89525bf591b/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...