./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:46:15,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:46:15,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:46:15,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:46:15,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:46:15,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:46:15,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:46:15,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:46:15,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:46:15,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:46:15,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:46:15,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:46:15,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:46:15,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:46:15,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:46:15,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:46:15,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:46:15,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:46:15,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:46:15,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:46:15,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:46:15,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:46:15,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:46:15,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:46:15,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:46:15,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:46:15,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:46:15,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:46:15,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:46:15,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:46:15,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:46:15,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:46:15,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:46:15,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:46:15,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:46:15,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:46:15,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:46:15,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:46:15,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:46:15,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:46:15,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:46:15,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:46:15,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:46:15,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:46:15,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:46:15,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:46:15,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:46:15,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:46:15,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:46:15,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:46:15,599 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:46:15,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:46:15,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:46:15,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:46:15,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:46:15,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:46:15,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:46:15,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:46:15,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:46:15,601 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:46:15,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:46:15,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:46:15,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:46:15,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:46:15,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:46:15,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:46:15,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:46:15,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:46:15,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:46:15,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:46:15,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:46:15,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:46:15,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:46:15,604 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:46:15,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:46:15,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:46:15,605 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:46:15,605 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:46:15,605 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_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2021-11-20 07:46:15,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:46:15,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:46:15,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:46:15,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:46:15,945 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:46:15,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-11-20 07:46:16,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/data/bef4be693/f2b7baedeb85455b9bca9e2dfd399f7b/FLAG8e99346b6 [2021-11-20 07:46:16,483 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:46:16,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-11-20 07:46:16,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/data/bef4be693/f2b7baedeb85455b9bca9e2dfd399f7b/FLAG8e99346b6 [2021-11-20 07:46:16,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/data/bef4be693/f2b7baedeb85455b9bca9e2dfd399f7b [2021-11-20 07:46:16,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:46:16,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:46:16,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:46:16,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:46:16,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:46:16,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:16" (1/1) ... [2021-11-20 07:46:16,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333b7913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:16, skipping insertion in model container [2021-11-20 07:46:16,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:16" (1/1) ... [2021-11-20 07:46:16,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:46:16,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:46:17,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2021-11-20 07:46:17,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:46:17,201 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:46:17,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2021-11-20 07:46:17,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:46:17,252 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:46:17,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17 WrapperNode [2021-11-20 07:46:17,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:46:17,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:46:17,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:46:17,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:46:17,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,305 INFO L137 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 336 [2021-11-20 07:46:17,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:46:17,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:46:17,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:46:17,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:46:17,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:46:17,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:46:17,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:46:17,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:46:17,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (1/1) ... [2021-11-20 07:46:17,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:46:17,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:46:17,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:46:17,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:46:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:46:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:46:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:46:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:46:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-20 07:46:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-20 07:46:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-20 07:46:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-20 07:46:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-20 07:46:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-20 07:46:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:46:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:46:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:46:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:46:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:46:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:46:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:46:17,467 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:46:17,569 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:46:17,571 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:46:18,221 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:46:18,424 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:46:18,425 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 07:46:18,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:18 BoogieIcfgContainer [2021-11-20 07:46:18,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:46:18,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:46:18,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:46:18,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:46:18,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:46:16" (1/3) ... [2021-11-20 07:46:18,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73131431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:18, skipping insertion in model container [2021-11-20 07:46:18,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:17" (2/3) ... [2021-11-20 07:46:18,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73131431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:18, skipping insertion in model container [2021-11-20 07:46:18,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:18" (3/3) ... [2021-11-20 07:46:18,437 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2021-11-20 07:46:18,441 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:46:18,441 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:46:18,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:46:18,442 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:46:18,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,488 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,488 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,488 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,488 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,488 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,491 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,491 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,491 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,491 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,491 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,495 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,495 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,495 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,495 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,495 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,500 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,500 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,503 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,503 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,503 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,503 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,503 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,504 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,504 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,504 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,504 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,505 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,505 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,505 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,505 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:18,511 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-20 07:46:18,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:46:18,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:46:18,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:46:18,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:46:18,606 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-20 07:46:18,614 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 [2021-11-20 07:46:18,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-20 07:46:18,840 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:18,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:18,846 INFO L85 PathProgramCache]: Analyzing trace with hash 475745933, now seen corresponding path program 1 times [2021-11-20 07:46:18,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:18,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407330537] [2021-11-20 07:46:18,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:18,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:19,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:19,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407330537] [2021-11-20 07:46:19,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407330537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:19,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:19,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:46:19,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277773853] [2021-11-20 07:46:19,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:19,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:46:19,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:19,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:46:19,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:46:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:19,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:19,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2021-11-20 07:46:19,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:19,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:19,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:46:19,215 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:19,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash 969462935, now seen corresponding path program 1 times [2021-11-20 07:46:19,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:19,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745800496] [2021-11-20 07:46:19,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:19,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:19,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:19,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745800496] [2021-11-20 07:46:19,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745800496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:19,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:19,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:46:19,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349377462] [2021-11-20 07:46:19,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:19,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:46:19,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:46:19,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:46:19,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:19,638 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:19,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 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) [2021-11-20 07:46:19,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:19,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:19,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:19,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:46:19,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:19,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:19,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1981473917, now seen corresponding path program 1 times [2021-11-20 07:46:19,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:19,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116167155] [2021-11-20 07:46:19,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:19,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:20,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:20,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116167155] [2021-11-20 07:46:20,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116167155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:20,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:20,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:46:20,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013623253] [2021-11-20 07:46:20,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:20,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:46:20,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:20,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:46:20,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:46:20,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:20,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2021-11-20 07:46:20,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:46:20,054 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:20,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:20,054 INFO L85 PathProgramCache]: Analyzing trace with hash -2108193118, now seen corresponding path program 1 times [2021-11-20 07:46:20,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:20,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205686652] [2021-11-20 07:46:20,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:20,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:46:20,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:20,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205686652] [2021-11-20 07:46:20,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205686652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:20,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:20,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:46:20,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296734855] [2021-11-20 07:46:20,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:20,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:46:20,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:20,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:46:20,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:46:20,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,272 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:20,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.833333333333336) internal successors, (197), 6 states have internal predecessors, (197), 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) [2021-11-20 07:46:20,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:20,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:46:20,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:46:20,417 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:20,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:20,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1944234514, now seen corresponding path program 1 times [2021-11-20 07:46:20,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:20,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125797659] [2021-11-20 07:46:20,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:20,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:20,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:20,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125797659] [2021-11-20 07:46:20,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125797659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:20,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:20,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:46:20,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988256019] [2021-11-20 07:46:20,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:20,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:46:20,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:20,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:46:20,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:46:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,606 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:20,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2021-11-20 07:46:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:46:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:20,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:46:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:46:20,836 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:20,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:20,836 INFO L85 PathProgramCache]: Analyzing trace with hash 675159040, now seen corresponding path program 1 times [2021-11-20 07:46:20,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:20,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837491150] [2021-11-20 07:46:20,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:20,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:46:20,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:20,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837491150] [2021-11-20 07:46:20,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837491150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:20,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:20,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:46:20,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977437351] [2021-11-20 07:46:20,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:20,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:46:20,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:20,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:46:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:46:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,980 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:20,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2021-11-20 07:46:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:20,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:46:20,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:20,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:46:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:46:21,148 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:21,148 INFO L85 PathProgramCache]: Analyzing trace with hash 764851419, now seen corresponding path program 1 times [2021-11-20 07:46:21,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:21,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451784509] [2021-11-20 07:46:21,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:21,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:46:21,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:21,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451784509] [2021-11-20 07:46:21,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451784509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:21,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:21,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:46:21,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948472339] [2021-11-20 07:46:21,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:21,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:46:21,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:21,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:46:21,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:21,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 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) [2021-11-20 07:46:21,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:21,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:46:21,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:46:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:46:21,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:46:21,503 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:21,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:21,504 INFO L85 PathProgramCache]: Analyzing trace with hash -645212039, now seen corresponding path program 1 times [2021-11-20 07:46:21,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:21,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857834440] [2021-11-20 07:46:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:21,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:46:21,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:21,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857834440] [2021-11-20 07:46:21,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857834440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:21,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:21,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:46:21,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104883571] [2021-11-20 07:46:21,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:21,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:46:21,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:21,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:46:21,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:46:21,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,710 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:21,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2021-11-20 07:46:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:46:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:46:21,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:46:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:46:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:46:21,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:46:21,761 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:46:21,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:21,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1289346026, now seen corresponding path program 1 times [2021-11-20 07:46:21,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:21,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974564528] [2021-11-20 07:46:21,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:21,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:22,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:22,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974564528] [2021-11-20 07:46:22,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974564528] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:46:22,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532935490] [2021-11-20 07:46:22,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:22,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:46:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:46:22,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:46:22,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d10858-bd2c-4170-ad2e-9f69b7c2dd4d/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:46:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:22,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-20 07:46:22,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:46:23,755 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 15 treesize of output 11 [2021-11-20 07:46:25,494 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 17 treesize of output 13 [2021-11-20 07:46:25,649 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 17 treesize of output 13 [2021-11-20 07:46:25,760 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 17 treesize of output 13 [2021-11-20 07:46:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:26,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:47:13,372 INFO L354 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2021-11-20 07:47:13,374 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 1740518 treesize of output 1674989 [2021-11-20 07:49:33,632 WARN L227 SmtUtils]: Spent 2.34m on a formula simplification. DAG size of input: 1071 DAG size of output: 1069 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 07:49:59,872 WARN L227 SmtUtils]: Spent 20.30s on a formula simplification. DAG size of input: 1067 DAG size of output: 1067 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 07:50:25,675 WARN L227 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 1059 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 07:51:03,306 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 635 DAG size of output: 636 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)