./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:17:05,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:17:05,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:17:05,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:17:05,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:17:05,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:17:05,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:17:05,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:17:05,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:17:05,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:17:05,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:17:05,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:17:05,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:17:05,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:17:05,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:17:05,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:17:05,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:17:05,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:17:05,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:17:05,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:17:05,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:17:05,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:17:05,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:17:05,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:17:05,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:17:05,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:17:05,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:17:05,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:17:05,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:17:05,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:17:05,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:17:05,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:17:05,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:17:05,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:17:05,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:17:05,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:17:05,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:17:05,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:17:05,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:17:05,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:17:05,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:17:05,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-12-13 09:17:05,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:17:05,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:17:05,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:17:05,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:17:05,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:17:05,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:17:05,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:17:05,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:17:05,594 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:17:05,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:17:05,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:17:05,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:17:05,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:17:05,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:17:05,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:17:05,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:17:05,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:17:05,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:17:05,596 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 09:17:05,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:17:05,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:17:05,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:17:05,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:17:05,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:17:05,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:17:05,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 09:17:05,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:17:05,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:17:05,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:17:05,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:17:05,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:17:05,598 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:17:05,599 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_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 [2022-12-13 09:17:05,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:17:05,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:17:05,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:17:05,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:17:05,801 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:17:05,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i [2022-12-13 09:17:08,352 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:17:08,537 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:17:08,538 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i [2022-12-13 09:17:08,547 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/data/f94cd4134/e6e7f1781142425e9a4c861a027770bd/FLAGcad87e532 [2022-12-13 09:17:08,905 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/data/f94cd4134/e6e7f1781142425e9a4c861a027770bd [2022-12-13 09:17:08,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:17:08,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:17:08,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:17:08,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:17:08,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:17:08,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:17:08" (1/1) ... [2022-12-13 09:17:08,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563cd3c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:08, skipping insertion in model container [2022-12-13 09:17:08,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:17:08" (1/1) ... [2022-12-13 09:17:08,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:17:08,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:17:09,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:17:09,307 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:17:09,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:17:09,382 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:17:09,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09 WrapperNode [2022-12-13 09:17:09,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:17:09,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:17:09,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:17:09,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:17:09,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,426 INFO L138 Inliner]: procedures = 262, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2022-12-13 09:17:09,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:17:09,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:17:09,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:17:09,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:17:09,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:17:09,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:17:09,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:17:09,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:17:09,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (1/1) ... [2022-12-13 09:17:09,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:17:09,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:09,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:17:09,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:17:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:17:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:17:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:17:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:17:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:17:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:17:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 09:17:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 09:17:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:17:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:17:09,512 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:17:09,605 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:17:09,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:17:09,787 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:17:09,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:17:09,793 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 09:17:09,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:17:09 BoogieIcfgContainer [2022-12-13 09:17:09,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:17:09,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:17:09,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:17:09,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:17:09,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:17:08" (1/3) ... [2022-12-13 09:17:09,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd508a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:17:09, skipping insertion in model container [2022-12-13 09:17:09,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:09" (2/3) ... [2022-12-13 09:17:09,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd508a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:17:09, skipping insertion in model container [2022-12-13 09:17:09,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:17:09" (3/3) ... [2022-12-13 09:17:09,801 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2022-12-13 09:17:09,808 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:17:09,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:17:09,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 09:17:09,815 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:17:09,863 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 09:17:09,902 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:17:09,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:17:09,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:09,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:17:09,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:17:09,947 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:17:09,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-12-13 09:17:09,960 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ba8afaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:17:09,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 09:17:10,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:10,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1566146334, now seen corresponding path program 1 times [2022-12-13 09:17:10,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:10,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127829552] [2022-12-13 09:17:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:10,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:10,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:10,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127829552] [2022-12-13 09:17:10,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127829552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:17:10,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:17:10,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:17:10,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479905818] [2022-12-13 09:17:10,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:17:10,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:17:10,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:10,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:17:10,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:17:10,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:10,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:10,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:10,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:17:10,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:10,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:10,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1627800770, now seen corresponding path program 1 times [2022-12-13 09:17:10,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:10,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315064829] [2022-12-13 09:17:10,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:10,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:10,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:10,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315064829] [2022-12-13 09:17:10,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315064829] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:10,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839695678] [2022-12-13 09:17:10,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:10,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:10,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:10,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:10,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 09:17:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:10,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 09:17:10,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:10,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:17:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:10,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839695678] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:17:10,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:17:10,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 09:17:10,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904739540] [2022-12-13 09:17:10,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:17:10,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 09:17:10,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:10,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 09:17:10,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 09:17:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:10,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:10,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:10,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:10,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:10,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 09:17:10,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:10,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:11,001 INFO L85 PathProgramCache]: Analyzing trace with hash 937136574, now seen corresponding path program 2 times [2022-12-13 09:17:11,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:11,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169852174] [2022-12-13 09:17:11,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:11,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:11,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:11,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169852174] [2022-12-13 09:17:11,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169852174] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:11,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802842110] [2022-12-13 09:17:11,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:17:11,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:11,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:11,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 09:17:11,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 09:17:11,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:17:11,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 09:17:11,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:11,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 09:17:11,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 09:17:11,351 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:17:11,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-13 09:17:11,381 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:17:11,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-12-13 09:17:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 09:17:11,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:17:11,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802842110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:17:11,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:17:11,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-12-13 09:17:11,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784301509] [2022-12-13 09:17:11,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:17:11,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:17:11,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:11,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:17:11,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-13 09:17:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:11,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:11,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:11,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:11,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:11,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:11,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 09:17:11,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:11,733 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:11,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:11,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1846423357, now seen corresponding path program 1 times [2022-12-13 09:17:11,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:11,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261974356] [2022-12-13 09:17:11,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:11,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:11,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:11,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261974356] [2022-12-13 09:17:11,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261974356] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:11,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504693822] [2022-12-13 09:17:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:11,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:11,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:11,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:11,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 09:17:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:12,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 09:17:12,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:12,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:17:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:12,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504693822] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:17:12,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:17:12,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-12-13 09:17:12,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566869022] [2022-12-13 09:17:12,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:17:12,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 09:17:12,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:12,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 09:17:12,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-12-13 09:17:12,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:12,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:12,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:12,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 09:17:12,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:12,497 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:12,498 INFO L85 PathProgramCache]: Analyzing trace with hash 902962627, now seen corresponding path program 2 times [2022-12-13 09:17:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:12,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775539188] [2022-12-13 09:17:12,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:12,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:12,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775539188] [2022-12-13 09:17:12,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775539188] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:12,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667842719] [2022-12-13 09:17:12,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:17:12,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:12,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:12,808 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:12,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 09:17:12,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 09:17:12,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:17:12,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 09:17:12,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:12,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 09:17:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:13,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 09:17:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:13,051 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:17:13,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-13 09:17:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:13,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:13,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:13,095 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:17:13,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-12-13 09:17:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-13 09:17:13,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:17:13,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667842719] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:17:13,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:17:13,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2022-12-13 09:17:13,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424188179] [2022-12-13 09:17:13,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:17:13,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 09:17:13,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:13,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 09:17:13,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-13 09:17:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:13,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:13,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:13,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:13,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:13,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:13,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:13,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:13,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 09:17:13,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:13,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:13,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:13,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1029061474, now seen corresponding path program 1 times [2022-12-13 09:17:13,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:13,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707972053] [2022-12-13 09:17:13,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:13,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 09:17:14,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:14,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707972053] [2022-12-13 09:17:14,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707972053] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:14,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981312394] [2022-12-13 09:17:14,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:14,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:14,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:14,014 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:14,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 09:17:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:14,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 09:17:14,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 09:17:14,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:17:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 09:17:14,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981312394] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:17:14,337 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:17:14,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-12-13 09:17:14,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591577493] [2022-12-13 09:17:14,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:17:14,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 09:17:14,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 09:17:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-12-13 09:17:14,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:14,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:14,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.521739130434782) internal successors, (104), 23 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:14,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 09:17:14,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:14,768 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:14,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:14,770 INFO L85 PathProgramCache]: Analyzing trace with hash -141993606, now seen corresponding path program 2 times [2022-12-13 09:17:14,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:14,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789553704] [2022-12-13 09:17:14,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:14,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-12-13 09:17:15,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:15,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789553704] [2022-12-13 09:17:15,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789553704] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:17:15,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:17:15,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:17:15,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728139947] [2022-12-13 09:17:15,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:17:15,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:17:15,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:15,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:17:15,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:17:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:15,303 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:15,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:15,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:15,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:15,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:15,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:15,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:15,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:15,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:15,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 09:17:15,405 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:15,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:15,406 INFO L85 PathProgramCache]: Analyzing trace with hash 99735985, now seen corresponding path program 1 times [2022-12-13 09:17:15,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:15,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541765459] [2022-12-13 09:17:15,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:15,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:16,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541765459] [2022-12-13 09:17:16,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541765459] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943073520] [2022-12-13 09:17:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:16,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:16,380 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:16,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 09:17:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:16,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 09:17:16,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:16,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 09:17:16,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 09:17:16,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-13 09:17:16,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-12-13 09:17:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:17,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:17,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 09:17:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:17,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:17:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:24,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943073520] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:17:24,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:17:24,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 39 [2022-12-13 09:17:24,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915694347] [2022-12-13 09:17:24,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:17:24,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-13 09:17:24,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:24,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-13 09:17:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1337, Unknown=1, NotChecked=0, Total=1560 [2022-12-13 09:17:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:24,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:24,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 5.9743589743589745) internal successors, (233), 40 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:25,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:17:25,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 09:17:25,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:25,705 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:25,706 INFO L85 PathProgramCache]: Analyzing trace with hash 488598718, now seen corresponding path program 1 times [2022-12-13 09:17:25,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:25,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043526114] [2022-12-13 09:17:25,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:25,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:26,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:26,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043526114] [2022-12-13 09:17:26,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043526114] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:26,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614864524] [2022-12-13 09:17:26,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:26,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:26,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:26,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:26,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 09:17:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:26,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-13 09:17:26,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:27,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 09:17:27,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 09:17:27,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-13 09:17:27,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-12-13 09:17:27,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:27,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:27,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:27,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:27,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-13 09:17:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 35 proven. 36 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:27,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:17:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 20 proven. 51 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:29,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614864524] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:17:29,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:17:29,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 46 [2022-12-13 09:17:29,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844596141] [2022-12-13 09:17:29,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:17:29,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-12-13 09:17:29,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:29,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-12-13 09:17:29,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=1920, Unknown=0, NotChecked=0, Total=2162 [2022-12-13 09:17:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:29,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:29,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 7.086956521739131) internal successors, (326), 47 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:29,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:29,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:29,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:29,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:29,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:17:29,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:17:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:17:32,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 09:17:33,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:33,119 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:17:33,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:33,120 INFO L85 PathProgramCache]: Analyzing trace with hash 557111094, now seen corresponding path program 1 times [2022-12-13 09:17:33,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:33,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738078352] [2022-12-13 09:17:33,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 844 proven. 398 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:35,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:35,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738078352] [2022-12-13 09:17:35,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738078352] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:17:35,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340079113] [2022-12-13 09:17:35,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:35,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:17:35,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:17:35,923 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:17:35,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 09:17:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:36,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-13 09:17:36,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:38,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 09:17:38,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 09:17:38,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-13 09:17:38,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-12-13 09:17:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:38,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:38,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:38,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:38,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 09:17:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 1071 proven. 171 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:17:39,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:17:43,171 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 28 |c_~#cache~0.offset| (* |c_ULTIMATE.start_main_#t~post38#1| 28))) (.cse1 (select |c_#race| |c_~#cache~0.base|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))))))) is different from false [2022-12-13 09:17:45,202 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#race| |c_~#cache~0.base|)) (.cse0 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|))))) is different from false [2022-12-13 09:17:47,341 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse1 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse0 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|)) (.cse2 (select .cse1 |c_~#cache~0.base|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))))))) is different from false [2022-12-13 09:17:49,377 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse1 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse0 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|)) (.cse2 (select .cse1 |c_~#cache~0.base|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))))))) is different from false [2022-12-13 09:17:51,431 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) (.cse3 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse5 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse1 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse2 (select .cse1 |c_~#cache~0.base|)) (.cse0 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3)))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse5) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|))))))) is different from false [2022-12-13 09:17:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 713 proven. 502 refuted. 0 times theorem prover too weak. 235 trivial. 27 not checked. [2022-12-13 09:17:52,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340079113] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:17:52,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:17:52,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 32] total 95 [2022-12-13 09:17:52,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477729154] [2022-12-13 09:17:52,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:17:52,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 09:17:52,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:52,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 09:17:52,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=888, Invalid=7316, Unknown=6, NotChecked=910, Total=9120 [2022-12-13 09:17:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:52,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:52,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 10.726315789473684) internal successors, (1019), 96 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:17:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:17:52,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:17:52,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:18:51,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:19:05,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:21:05,367 WARN L233 SmtUtils]: Spent 26.61s on a formula simplification. DAG size of input: 61 DAG size of output: 45 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:22:45,057 WARN L233 SmtUtils]: Spent 38.11s on a formula simplification. DAG size of input: 60 DAG size of output: 48 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:22:47,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:22:49,203 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse4 (* |c_ULTIMATE.start_main_~i~2#1| 28)) (.cse1 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse2 (select .cse1 |c_~#cache~0.base|)) (.cse0 (+ .cse4 28 |c_~#cache~0.offset|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (< (+ .cse4 28) (* |c_t_funThread1of1ForFork0_~i~0#1| 28)) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (= |c_~#cache~0.base| 1) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse1 |c_~#cache~0.base| (store .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| v_ArrVal_1336)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (or (< .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) (not (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (or (not (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|)) (< .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))))) is different from false [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:23:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:23:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-12-13 09:23:09,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 09:23:09,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 09:23:09,910 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:23:09,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:23:09,912 INFO L85 PathProgramCache]: Analyzing trace with hash 743293572, now seen corresponding path program 2 times [2022-12-13 09:23:09,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:23:09,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109615993] [2022-12-13 09:23:09,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:23:09,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:23:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:23:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 3862 proven. 449 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:23:11,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:23:11,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109615993] [2022-12-13 09:23:11,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109615993] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:23:11,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912184540] [2022-12-13 09:23:11,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:23:11,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:23:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:23:11,727 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:23:11,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 09:23:12,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:23:12,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:23:12,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 09:23:12,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:23:12,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 3562 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2022-12-13 09:23:12,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:23:12,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912184540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:23:12,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:23:12,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [37] total 39 [2022-12-13 09:23:12,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468817853] [2022-12-13 09:23:12,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:23:12,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 09:23:12,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:23:12,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 09:23:12,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=1116, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 09:23:12,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:23:12,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:23:12,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 16.956521739130434) internal successors, (390), 23 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-12-13 09:23:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:23:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:23:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:23:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:23:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:23:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:23:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:23:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:23:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:23:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:23:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-12-13 09:23:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:23:13,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 09:23:13,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:23:13,654 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:23:13,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:23:13,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1647351836, now seen corresponding path program 3 times [2022-12-13 09:23:13,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:23:13,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841403553] [2022-12-13 09:23:13,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:23:13,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:23:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:23:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 844 proven. 398 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 09:23:19,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:23:19,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841403553] [2022-12-13 09:23:19,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841403553] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:23:19,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355343074] [2022-12-13 09:23:19,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:23:19,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:23:19,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:23:19,657 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:23:19,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755a1f1e-b2b1-44a5-bc5e-cae2cc7df2af/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 09:23:19,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 09:23:19,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:23:19,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 87 conjunts are in the unsatisfiable core [2022-12-13 09:23:19,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:23:20,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 09:23:20,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 09:23:21,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 09:23:21,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-13 09:23:21,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-12-13 09:23:21,836 INFO L321 Elim1Store]: treesize reduction 22, result has 38.9 percent of original size [2022-12-13 09:23:21,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 29 [2022-12-13 09:23:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 09:23:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-13 09:23:22,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-13 09:23:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-13 09:23:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 09:23:22,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-13 09:23:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-13 09:23:22,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-13 09:23:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:22,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-12-13 09:23:23,544 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 09:23:23,544 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 11 [2022-12-13 09:23:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:23:23,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 09:23:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 153 proven. 18 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2022-12-13 09:23:23,829 INFO L328 TraceCheckSpWp]: Computing backward predicates...