./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebedbc62bd44b0c214a81c07c6f99e850a5d96675b77716f8547d1b39e8b2cf8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:59:07,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:59:07,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:59:07,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:59:07,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:59:07,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:59:07,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:59:07,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:59:07,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:59:07,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:59:07,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:59:07,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:59:07,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:59:07,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:59:07,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:59:07,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:59:07,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:59:07,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:59:07,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:59:07,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:59:07,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:59:07,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:59:07,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:59:07,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:59:07,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:59:07,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:59:07,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:59:07,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:59:07,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:59:07,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:59:07,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:59:07,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:59:07,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:59:07,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:59:07,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:59:07,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:59:07,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:59:07,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:59:07,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:59:07,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:59:07,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:59:07,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-11-13 18:59:07,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:59:07,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:59:07,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:59:07,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:59:07,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:59:07,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:59:07,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:59:07,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:59:07,748 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:59:07,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:59:07,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:59:07,748 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:59:07,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:59:07,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:59:07,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:59:07,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:59:07,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:59:07,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:59:07,750 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 18:59:07,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:59:07,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:59:07,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:59:07,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:59:07,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:59:07,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:59:07,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 18:59:07,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:59:07,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:07,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:59:07,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:59:07,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:59:07,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:59:07,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:59:07,754 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:59:07,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 18:59:07,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:59:07,755 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 18:59:07,755 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 18:59:07,755 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_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebedbc62bd44b0c214a81c07c6f99e850a5d96675b77716f8547d1b39e8b2cf8 [2021-11-13 18:59:08,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:59:08,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:59:08,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:59:08,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:59:08,069 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:59:08,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i [2021-11-13 18:59:08,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/data/642a3b7ad/31731600545143f2b71883b42817db6c/FLAG59aea4f86 [2021-11-13 18:59:08,916 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:59:08,916 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i [2021-11-13 18:59:08,933 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/data/642a3b7ad/31731600545143f2b71883b42817db6c/FLAG59aea4f86 [2021-11-13 18:59:09,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/data/642a3b7ad/31731600545143f2b71883b42817db6c [2021-11-13 18:59:09,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:59:09,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:59:09,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:09,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:59:09,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:59:09,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:09,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa1d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09, skipping insertion in model container [2021-11-13 18:59:09,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:09,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:59:09,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:59:09,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:09,832 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:59:09,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:09,952 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:59:09,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09 WrapperNode [2021-11-13 18:59:09,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:09,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:09,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:59:09,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:59:09,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:09,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:10,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:59:10,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:59:10,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:59:10,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:59:10,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:59:10,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:59:10,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:59:10,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (1/1) ... [2021-11-13 18:59:10,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:10,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:10,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:10,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:59:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:59:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:59:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:59:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:59:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 18:59:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 18:59:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 18:59:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:59:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:59:10,168 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:59:10,776 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:59:10,776 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 18:59:10,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:10 BoogieIcfgContainer [2021-11-13 18:59:10,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:59:10,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:59:10,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:59:10,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:59:10,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:59:09" (1/3) ... [2021-11-13 18:59:10,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118e7d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:10, skipping insertion in model container [2021-11-13 18:59:10,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:09" (2/3) ... [2021-11-13 18:59:10,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118e7d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:10, skipping insertion in model container [2021-11-13 18:59:10,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:10" (3/3) ... [2021-11-13 18:59:10,791 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_02-funloop_norace.i [2021-11-13 18:59:10,797 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:59:10,798 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:59:10,798 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-13 18:59:10,798 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:59:10,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:10,958 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 18:59:11,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 18:59:11,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:11,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:11,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 18:59:11,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-13 18:59:11,087 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:59:11,087 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 18:59:11,383 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:11,394 INFO L85 PathProgramCache]: Analyzing trace with hash -928970891, now seen corresponding path program 1 times [2021-11-13 18:59:11,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:11,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871405563] [2021-11-13 18:59:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:11,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:11,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:11,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871405563] [2021-11-13 18:59:11,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871405563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:11,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:11,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:59:11,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676011224] [2021-11-13 18:59:11,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:11,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:59:11,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:11,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:59:11,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:59:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:11,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:11,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:11,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:11,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:11,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:59:11,664 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:11,665 INFO L85 PathProgramCache]: Analyzing trace with hash 315793590, now seen corresponding path program 1 times [2021-11-13 18:59:11,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:11,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281521991] [2021-11-13 18:59:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:11,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:11,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:11,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281521991] [2021-11-13 18:59:11,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281521991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:11,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:11,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:59:11,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132910699] [2021-11-13 18:59:11,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:11,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:59:11,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:11,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:59:11,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:59:11,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:11,743 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:11,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:11,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:11,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:11,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:59:11,802 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:11,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:11,804 INFO L85 PathProgramCache]: Analyzing trace with hash -2134965798, now seen corresponding path program 1 times [2021-11-13 18:59:11,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:11,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134019950] [2021-11-13 18:59:11,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:11,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:11,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:11,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134019950] [2021-11-13 18:59:11,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134019950] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:11,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950258986] [2021-11-13 18:59:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:11,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:11,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:11,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:11,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 18:59:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:12,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:59:12,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:12,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:12,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950258986] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:59:12,338 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:59:12,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-13 18:59:12,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037540138] [2021-11-13 18:59:12,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:59:12,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:59:12,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:12,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:59:12,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:59:12,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:12,342 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:12,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:12,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:12,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:12,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:12,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:12,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-13 18:59:12,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:12,691 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:12,693 INFO L85 PathProgramCache]: Analyzing trace with hash 950401882, now seen corresponding path program 2 times [2021-11-13 18:59:12,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:12,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601440696] [2021-11-13 18:59:12,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:12,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:12,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:12,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601440696] [2021-11-13 18:59:12,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601440696] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:12,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422296086] [2021-11-13 18:59:12,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:59:12,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:12,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:12,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:12,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 18:59:12,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:59:12,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:59:12,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:59:12,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:13,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:59:13,107 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-13 18:59:13,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 18:59:13,159 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-13 18:59:13,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 18:59:13,264 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-13 18:59:13,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-13 18:59:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 18:59:13,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:59:13,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422296086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:13,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:59:13,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2021-11-13 18:59:13,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367107872] [2021-11-13 18:59:13,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:13,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:59:13,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:13,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:59:13,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:59:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,321 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:13,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:13,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:13,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:13,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:13,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:13,635 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:13,636 INFO L85 PathProgramCache]: Analyzing trace with hash -834254241, now seen corresponding path program 1 times [2021-11-13 18:59:13,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:13,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846532927] [2021-11-13 18:59:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:13,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:13,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:13,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846532927] [2021-11-13 18:59:13,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846532927] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:13,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727847330] [2021-11-13 18:59:13,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:13,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:13,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:13,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:13,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 18:59:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:13,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 18:59:13,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:14,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:14,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727847330] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:59:14,298 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:59:14,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-13 18:59:14,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946325391] [2021-11-13 18:59:14,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:59:14,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 18:59:14,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 18:59:14,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-13 18:59:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:14,307 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:14,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:14,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:14,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:14,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:14,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:14,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:14,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:14,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:14,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:14,789 INFO L85 PathProgramCache]: Analyzing trace with hash 118201695, now seen corresponding path program 2 times [2021-11-13 18:59:14,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:14,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597100221] [2021-11-13 18:59:14,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:14,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:15,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:15,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597100221] [2021-11-13 18:59:15,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597100221] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:15,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974122043] [2021-11-13 18:59:15,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:59:15,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:15,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:15,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 18:59:15,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:59:15,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:59:15,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:59:15,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:15,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:59:15,305 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-13 18:59:15,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 18:59:15,364 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-13 18:59:15,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 18:59:15,486 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-13 18:59:15,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-13 18:59:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-13 18:59:15,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:59:15,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974122043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:15,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:59:15,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2021-11-13 18:59:15,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399809154] [2021-11-13 18:59:15,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:15,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:59:15,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:15,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:59:15,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-11-13 18:59:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:15,530 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:15,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:15,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-13 18:59:15,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:15,933 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:15,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:15,933 INFO L85 PathProgramCache]: Analyzing trace with hash 76017673, now seen corresponding path program 1 times [2021-11-13 18:59:15,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:15,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648509775] [2021-11-13 18:59:15,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:15,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 18:59:16,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:16,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648509775] [2021-11-13 18:59:16,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648509775] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:16,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063073677] [2021-11-13 18:59:16,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:16,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:16,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:16,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:16,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 18:59:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:16,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 18:59:16,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 18:59:16,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 18:59:16,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063073677] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:59:16,993 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:59:16,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-11-13 18:59:16,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584245931] [2021-11-13 18:59:16,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:59:16,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-13 18:59:16,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:16,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-13 18:59:16,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-13 18:59:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:16,996 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:16,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.0) internal successors, (115), 23 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:16,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:16,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:17,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:17,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:17,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 18:59:17,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:17,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:17,587 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:17,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:17,588 INFO L85 PathProgramCache]: Analyzing trace with hash -590319443, now seen corresponding path program 2 times [2021-11-13 18:59:17,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:17,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573642017] [2021-11-13 18:59:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:17,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 18:59:18,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:18,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573642017] [2021-11-13 18:59:18,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573642017] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:18,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425813785] [2021-11-13 18:59:18,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:59:18,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:18,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:18,343 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:18,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 18:59:18,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:59:18,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:59:18,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 18:59:18,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:19,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:59:19,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 18:59:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 18:59:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:19,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-11-13 18:59:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:20,062 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:59:20,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 54 [2021-11-13 18:59:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 18:59:20,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:20,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:20,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 18:59:21,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425813785] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:59:21,779 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:59:21,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 41 [2021-11-13 18:59:21,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529580920] [2021-11-13 18:59:21,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:59:21,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-13 18:59:21,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:21,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-13 18:59:21,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1524, Unknown=0, NotChecked=0, Total=1722 [2021-11-13 18:59:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:21,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:21,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.7073170731707314) internal successors, (234), 42 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:21,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 18:59:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:22,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:22,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:22,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:22,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 18:59:22,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:22,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:22,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-13 18:59:22,665 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:22,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:22,665 INFO L85 PathProgramCache]: Analyzing trace with hash 286892136, now seen corresponding path program 3 times [2021-11-13 18:59:22,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:22,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746565352] [2021-11-13 18:59:22,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:22,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 18:59:23,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:23,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746565352] [2021-11-13 18:59:23,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746565352] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:23,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444988814] [2021-11-13 18:59:23,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 18:59:23,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:23,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:23,402 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:23,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 18:59:23,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 18:59:23,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:59:23,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-13 18:59:23,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:24,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 18:59:24,490 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-13 18:59:24,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2021-11-13 18:59:28,800 INFO L354 Elim1Store]: treesize reduction 35, result has 42.6 percent of original size [2021-11-13 18:59:28,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 67 [2021-11-13 18:59:29,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:59:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 18:59:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 18:59:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-11-13 18:59:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:29,710 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:59:29,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 62 [2021-11-13 18:59:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-13 18:59:29,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:30,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:30,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:33,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:33,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:33,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:33,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 48 [2021-11-13 18:59:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:33,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:33,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 48 [2021-11-13 18:59:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:33,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:33,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 48 [2021-11-13 18:59:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 50 proven. 18 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-13 18:59:35,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444988814] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:59:35,463 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:59:35,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19, 18] total 50 [2021-11-13 18:59:35,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229962641] [2021-11-13 18:59:35,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:59:35,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-11-13 18:59:35,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:35,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-11-13 18:59:35,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=2306, Unknown=1, NotChecked=0, Total=2550 [2021-11-13 18:59:35,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:35,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:35,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 6.34) internal successors, (317), 51 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 18:59:35,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:35,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 18:59:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-13 18:59:50,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-13 18:59:50,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:50,965 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash 983384433, now seen corresponding path program 1 times [2021-11-13 18:59:50,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:50,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165447179] [2021-11-13 18:59:50,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:50,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 162 proven. 242 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 18:59:52,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:52,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165447179] [2021-11-13 18:59:52,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165447179] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:59:52,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415626370] [2021-11-13 18:59:52,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:52,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:59:52,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:52,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:59:52,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 18:59:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:52,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-13 18:59:52,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:53,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:59:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 18:59:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 18:59:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:59:54,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-11-13 18:59:54,342 INFO L354 Elim1Store]: treesize reduction 148, result has 19.1 percent of original size [2021-11-13 18:59:54,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 59 [2021-11-13 18:59:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 289 proven. 115 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 18:59:54,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:54,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:54,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:54,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:54,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:54,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:54,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:55,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:55,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:55,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:59:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 109 proven. 295 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 18:59:56,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415626370] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:59:56,905 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:59:56,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 23] total 65 [2021-11-13 18:59:56,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793048319] [2021-11-13 18:59:56,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:59:56,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-13 18:59:56,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:56,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-13 18:59:56,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=417, Invalid=3872, Unknown=1, NotChecked=0, Total=4290 [2021-11-13 18:59:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,911 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:56,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 9.092307692307692) internal successors, (591), 66 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:59:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:56,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 18:59:56,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:56,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-13 18:59:56,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 19:00:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:00:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-13 19:00:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-13 19:00:05,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:06,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-13 19:00:06,131 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 19:00:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:06,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1115219985, now seen corresponding path program 2 times [2021-11-13 19:00:06,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:06,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148218340] [2021-11-13 19:00:06,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:06,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 162 proven. 444 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-13 19:00:07,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:07,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148218340] [2021-11-13 19:00:07,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148218340] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:07,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470198560] [2021-11-13 19:00:07,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:07,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:07,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:07,495 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:07,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 19:00:07,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:07,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:07,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-13 19:00:07,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:09,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 19:00:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:09,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 19:00:10,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 19:00:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-11-13 19:00:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:10,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-13 19:00:10,400 INFO L354 Elim1Store]: treesize reduction 222, result has 15.9 percent of original size [2021-11-13 19:00:10,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 71 [2021-11-13 19:00:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 371 proven. 239 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 19:00:12,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:13,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:00:13,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:00:13,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:00:13,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:00:13,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:00:13,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:00:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 144 proven. 411 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-13 19:00:15,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470198560] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:15,405 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:15,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 32, 24] total 76 [2021-11-13 19:00:15,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858980092] [2021-11-13 19:00:15,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:15,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-11-13 19:00:15,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:15,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-11-13 19:00:15,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=5316, Unknown=2, NotChecked=0, Total=5852 [2021-11-13 19:00:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:15,410 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:15,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 76 states have (on average 9.355263157894736) internal successors, (711), 77 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:15,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:15,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:15,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:15,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:15,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 19:00:15,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:15,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:00:15,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:15,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-13 19:00:15,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-11-13 19:00:15,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:00:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-11-13 19:00:29,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-13 19:00:29,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-13 19:00:29,685 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 19:00:29,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:29,685 INFO L85 PathProgramCache]: Analyzing trace with hash -368842502, now seen corresponding path program 3 times [2021-11-13 19:00:29,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:29,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206193715] [2021-11-13 19:00:29,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:29,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 296 proven. 828 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-11-13 19:00:32,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:32,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206193715] [2021-11-13 19:00:32,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206193715] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:32,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114924865] [2021-11-13 19:00:32,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:00:32,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:32,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:32,689 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:32,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a5fe2d-e120-4c47-b27e-3aa5c162f553/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-13 19:00:32,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 19:00:32,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:32,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-13 19:00:32,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:33,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 19:00:34,112 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-13 19:00:34,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2021-11-13 19:00:38,806 INFO L354 Elim1Store]: treesize reduction 114, result has 20.3 percent of original size [2021-11-13 19:00:38,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 74 [2021-11-13 19:00:41,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 19:00:41,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:41,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 19:00:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 19:00:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:42,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-11-13 19:00:43,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:43,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-13 19:00:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-13 19:00:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:44,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 78 [2021-11-13 19:00:45,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:45,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2021-11-13 19:00:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:46,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 93 [2021-11-13 19:00:47,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 93 [2021-11-13 19:00:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:47,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 93 [2021-11-13 19:00:48,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:48,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 93 [2021-11-13 19:00:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:49,993 INFO L354 Elim1Store]: treesize reduction 75, result has 28.6 percent of original size [2021-11-13 19:00:49,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 87 [2021-11-13 19:00:52,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:00:52,087 INFO L354 Elim1Store]: treesize reduction 77, result has 12.5 percent of original size [2021-11-13 19:00:52,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 43 [2021-11-13 19:00:52,483 INFO L354 Elim1Store]: treesize reduction 492, result has 12.6 percent of original size [2021-11-13 19:00:52,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 118 [2021-11-13 19:01:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 466 proven. 53 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2021-11-13 19:01:00,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:01:29,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:01:29,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:01:29,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:02:05,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:02:05,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:02:05,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:07:26,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:07:26,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:07:26,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:08:58,103 WARN L227 SmtUtils]: Spent 11.55s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 19:09:40,490 WARN L227 SmtUtils]: Spent 15.30s on a formula simplification that was a NOOP. DAG size: 206 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 19:09:40,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:40,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 885 treesize of output 849 [2021-11-13 19:09:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:40,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:40,621 INFO L354 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2021-11-13 19:09:40,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 927 treesize of output 876 [2021-11-13 19:09:40,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:40,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:40,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:40,735 INFO L354 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2021-11-13 19:09:40,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 123 [2021-11-13 19:09:40,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:40,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:40,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:40,876 INFO L354 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2021-11-13 19:09:40,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 123 [2021-11-13 19:09:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:41,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:41,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:41,086 INFO L354 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2021-11-13 19:09:41,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 123 [2021-11-13 19:09:41,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:41,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:41,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:41,470 INFO L354 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2021-11-13 19:09:41,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 197 treesize of output 164 [2021-11-13 19:09:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:09:41,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:41,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 19:09:42,201 INFO L354 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2021-11-13 19:09:42,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 123 [2021-11-13 19:09:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 466 proven. 53 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2021-11-13 19:09:52,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114924865] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:09:52,700 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:09:52,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32, 30] total 93 [2021-11-13 19:09:52,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373767519] [2021-11-13 19:09:52,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:09:52,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2021-11-13 19:09:52,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:09:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-11-13 19:09:52,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=691, Invalid=8034, Unknown=17, NotChecked=0, Total=8742 [2021-11-13 19:09:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:09:52,706 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:09:52,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 6.720430107526882) internal successors, (625), 94 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:09:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:09:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:09:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:09:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:09:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 19:09:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:09:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:09:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:09:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-13 19:09:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:09:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-11-13 19:09:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:11:50,169 WARN L227 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)