./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 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_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/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_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/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_772294d4-9927-4306-9b19-16db0aeb32b5/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 ebedbc62bd44b0c214a81c07c6f99e850a5d96675b77716f8547d1b39e8b2cf8 --- 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 08:54:38,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:54:38,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:54:38,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:54:38,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:54:38,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:54:38,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:54:38,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:54:38,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:54:38,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:54:38,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:54:38,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:54:38,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:54:38,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:54:38,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:54:38,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:54:38,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:54:38,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:54:38,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:54:38,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:54:38,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:54:38,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:54:38,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:54:38,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:54:38,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:54:38,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:54:38,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:54:38,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:54:38,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:54:38,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:54:38,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:54:38,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:54:38,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:54:38,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:54:38,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:54:38,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:54:38,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:54:38,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:54:38,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:54:38,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:54:38,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:54:38,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-12-13 08:54:38,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:54:38,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:54:38,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:54:38,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:54:38,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:54:38,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:54:38,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:54:38,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:54:38,935 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:54:38,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:54:38,935 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:54:38,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:54:38,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:54:38,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:54:38,937 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:54:38,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:54:38,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:54:38,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:54:38,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 08:54:38,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:54:38,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:54:38,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:54:38,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:54:38,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:54:38,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:54:38,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:54:38,939 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:54:38,939 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:54:38,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:54:38,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:54:38,939 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:54:38,939 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:54:38,939 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_772294d4-9927-4306-9b19-16db0aeb32b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebedbc62bd44b0c214a81c07c6f99e850a5d96675b77716f8547d1b39e8b2cf8 [2022-12-13 08:54:39,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:54:39,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:54:39,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:54:39,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:54:39,136 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:54:39,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i [2022-12-13 08:54:41,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:54:41,910 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:54:41,911 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i [2022-12-13 08:54:41,920 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/data/c8be258d6/0a6876c05d2d4bca9ec21a382c2e4aa9/FLAG47a143260 [2022-12-13 08:54:41,931 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/data/c8be258d6/0a6876c05d2d4bca9ec21a382c2e4aa9 [2022-12-13 08:54:41,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:54:41,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:54:41,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:54:41,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:54:41,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:54:41,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:41" (1/1) ... [2022-12-13 08:54:41,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387dbbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:41, skipping insertion in model container [2022-12-13 08:54:41,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:41" (1/1) ... [2022-12-13 08:54:41,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:54:41,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:54:42,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:54:42,276 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:54:42,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:54:42,356 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:54:42,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42 WrapperNode [2022-12-13 08:54:42,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:54:42,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:54:42,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:54:42,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:54:42,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,401 INFO L138 Inliner]: procedures = 262, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-12-13 08:54:42,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:54:42,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:54:42,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:54:42,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:54:42,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:54:42,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:54:42,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:54:42,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:54:42,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (1/1) ... [2022-12-13 08:54:42,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:54:42,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:42,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:54:42,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 08:54:42,490 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 08:54:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:54:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:54:42,492 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 08:54:42,598 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:54:42,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:54:42,771 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:54:42,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:54:42,778 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 08:54:42,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:54:42 BoogieIcfgContainer [2022-12-13 08:54:42,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:54:42,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:54:42,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:54:42,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:54:42,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:54:41" (1/3) ... [2022-12-13 08:54:42,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558db0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:54:42, skipping insertion in model container [2022-12-13 08:54:42,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:42" (2/3) ... [2022-12-13 08:54:42,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558db0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:54:42, skipping insertion in model container [2022-12-13 08:54:42,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:54:42" (3/3) ... [2022-12-13 08:54:42,790 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_02-funloop_norace.i [2022-12-13 08:54:42,798 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 08:54:42,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:54:42,808 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 08:54:42,808 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:54:42,862 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 08:54:42,897 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:54:42,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:54:42,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:42,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:54:42,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:54:42,938 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:54:42,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-12-13 08:54:42,951 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;@4a1e40c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:54:42,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 08:54:43,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:43,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:43,132 INFO L85 PathProgramCache]: Analyzing trace with hash 691690509, now seen corresponding path program 1 times [2022-12-13 08:54:43,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:43,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079667235] [2022-12-13 08:54:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:43,335 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 08:54:43,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:43,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079667235] [2022-12-13 08:54:43,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079667235] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:54:43,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:54:43,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 08:54:43,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116710314] [2022-12-13 08:54:43,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:54:43,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:54:43,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:43,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:54:43,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:54:43,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:43,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:43,364 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 08:54:43,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:43,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 08:54:43,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:43,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:43,396 INFO L85 PathProgramCache]: Analyzing trace with hash -806233019, now seen corresponding path program 1 times [2022-12-13 08:54:43,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:43,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32146401] [2022-12-13 08:54:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:43,500 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 08:54:43,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:43,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32146401] [2022-12-13 08:54:43,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32146401] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:43,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750723799] [2022-12-13 08:54:43,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:43,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:43,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:43,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 08:54:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:43,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 08:54:43,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:43,632 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 08:54:43,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:43,666 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 08:54:43,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750723799] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:43,667 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:43,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 08:54:43,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892874503] [2022-12-13 08:54:43,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:43,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 08:54:43,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:43,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 08:54:43,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 08:54:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:43,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:43,672 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 08:54:43,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:43,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:43,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 08:54:43,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-13 08:54:43,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:43,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:43,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1759009093, now seen corresponding path program 2 times [2022-12-13 08:54:43,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:43,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724995799] [2022-12-13 08:54:43,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:44,183 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 08:54:44,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:44,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724995799] [2022-12-13 08:54:44,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724995799] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:44,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401109939] [2022-12-13 08:54:44,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 08:54:44,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:44,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:44,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 08:54:44,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 08:54:44,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:44,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 08:54:44,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:44,283 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 08:54:44,297 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 08:54:44,320 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 08:54:44,320 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 08:54:44,350 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 08:54:44,350 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 08:54:44,375 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 08:54:44,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:54:44,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401109939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:54:44,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:54:44,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-12-13 08:54:44,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747922006] [2022-12-13 08:54:44,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:54:44,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:54:44,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:44,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:54:44,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-13 08:54:44,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:44,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:44,378 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 08:54:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:44,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 08:54:44,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:44,694 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:44,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:44,696 INFO L85 PathProgramCache]: Analyzing trace with hash -525128118, now seen corresponding path program 1 times [2022-12-13 08:54:44,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:44,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66395013] [2022-12-13 08:54:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:44,931 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 08:54:44,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:44,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66395013] [2022-12-13 08:54:44,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66395013] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:44,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520401883] [2022-12-13 08:54:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:44,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:44,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:44,933 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:44,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 08:54:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:45,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 08:54:45,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:45,043 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 08:54:45,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:45,118 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 08:54:45,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520401883] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:45,119 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:45,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-12-13 08:54:45,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641879578] [2022-12-13 08:54:45,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:45,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 08:54:45,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 08:54:45,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-12-13 08:54:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:45,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:45,123 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 08:54:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:45,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 08:54:45,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:45,458 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:45,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:45,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1682794570, now seen corresponding path program 2 times [2022-12-13 08:54:45,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:45,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426861280] [2022-12-13 08:54:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:45,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:45,831 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 08:54:45,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:45,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426861280] [2022-12-13 08:54:45,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426861280] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:45,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128299601] [2022-12-13 08:54:45,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 08:54:45,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:45,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:45,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:45,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 08:54:45,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 08:54:45,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:45,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 08:54:45,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:46,036 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 08:54:46,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:46,057 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 08:54:46,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:46,089 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 08:54:46,090 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 08:54:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:46,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:46,124 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 08:54:46,124 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 08:54:46,161 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 08:54:46,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:54:46,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128299601] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:54:46,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:54:46,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2022-12-13 08:54:46,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264617885] [2022-12-13 08:54:46,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:54:46,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 08:54:46,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:46,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 08:54:46,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-13 08:54:46,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:46,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:46,165 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 08:54:46,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:46,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:46,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:46,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:46,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:46,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 08:54:46,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:46,621 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:46,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:46,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1485300271, now seen corresponding path program 1 times [2022-12-13 08:54:46,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:46,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514560297] [2022-12-13 08:54:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:46,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:47,018 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 08:54:47,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:47,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514560297] [2022-12-13 08:54:47,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514560297] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:47,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208071646] [2022-12-13 08:54:47,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:47,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:47,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:47,020 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:47,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 08:54:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:47,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 08:54:47,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:47,171 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 08:54:47,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:47,315 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 08:54:47,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208071646] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:47,315 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:47,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-12-13 08:54:47,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020265296] [2022-12-13 08:54:47,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:47,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 08:54:47,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:47,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 08:54:47,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-12-13 08:54:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:47,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:47,319 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 08:54:47,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:47,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:47,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:47,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:47,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:47,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:47,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:54:47,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 08:54:47,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:47,736 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:47,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:47,738 INFO L85 PathProgramCache]: Analyzing trace with hash -537156855, now seen corresponding path program 2 times [2022-12-13 08:54:47,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:47,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877690193] [2022-12-13 08:54:47,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:47,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:48,175 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 08:54:48,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:48,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877690193] [2022-12-13 08:54:48,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877690193] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:54:48,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:54:48,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:54:48,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818957190] [2022-12-13 08:54:48,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:54:48,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:54:48,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:48,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:54:48,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:54:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:48,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:48,178 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 08:54:48,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:48,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:48,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:48,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:48,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:48,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:54:48,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:54:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:48,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 08:54:48,272 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:48,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:48,272 INFO L85 PathProgramCache]: Analyzing trace with hash 825418497, now seen corresponding path program 1 times [2022-12-13 08:54:48,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:48,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724768131] [2022-12-13 08:54:48,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:48,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:49,126 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 08:54:49,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:49,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724768131] [2022-12-13 08:54:49,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724768131] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:49,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325169917] [2022-12-13 08:54:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:49,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:49,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:49,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:49,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 08:54:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:49,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 08:54:49,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:49,519 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 08:54:49,556 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 08:54:49,603 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 08:54:49,649 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 08:54:49,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:49,965 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 08:54:49,999 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 08:54:49,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:53,757 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 08:54:53,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325169917] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:53,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:53,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 39 [2022-12-13 08:54:53,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821300401] [2022-12-13 08:54:53,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:53,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-13 08:54:53,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:53,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-13 08:54:53,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1337, Unknown=0, NotChecked=0, Total=1560 [2022-12-13 08:54:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:53,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:53,763 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 08:54:53,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:53,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:53,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:53,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:53,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:53,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:54:53,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:53,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:54:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:55,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 08:54:55,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:55,331 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:54:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:55,332 INFO L85 PathProgramCache]: Analyzing trace with hash 394703845, now seen corresponding path program 1 times [2022-12-13 08:54:55,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:55,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555754412] [2022-12-13 08:54:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:55,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:56,341 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 08:54:56,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:56,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555754412] [2022-12-13 08:54:56,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555754412] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:56,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607079097] [2022-12-13 08:54:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:56,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:56,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:56,343 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:56,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 08:54:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:56,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-13 08:54:56,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:57,016 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 08:54:57,053 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 08:54:57,106 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 08:54:57,164 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 08:54:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:57,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:57,220 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 08:54:57,265 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 08:54:57,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:58,578 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 08:54:58,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607079097] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:58,578 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:58,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 46 [2022-12-13 08:54:58,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491238275] [2022-12-13 08:54:58,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:58,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-12-13 08:54:58,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:58,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-12-13 08:54:58,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=1920, Unknown=0, NotChecked=0, Total=2162 [2022-12-13 08:54:58,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:58,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:58,584 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 08:54:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:54:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:54:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:54:58,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:54:58,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:54:58,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:58,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:58,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 08:55:01,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 08:55:02,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:55:02,038 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 08:55:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:55:02,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1080628510, now seen corresponding path program 1 times [2022-12-13 08:55:02,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:55:02,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074925558] [2022-12-13 08:55:02,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:55:02,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:55:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:55:04,622 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 08:55:04,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:55:04,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074925558] [2022-12-13 08:55:04,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074925558] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:55:04,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998018783] [2022-12-13 08:55:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:55:04,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:55:04,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:55:04,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:55:04,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 08:55:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:55:04,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-13 08:55:04,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:55:06,339 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 08:55:06,378 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 08:55:06,426 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 08:55:06,487 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 08:55:06,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:55:06,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:55:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:55:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:55:06,979 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 08:55:07,056 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 08:55:07,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:55:11,794 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 08:55:55,302 WARN L233 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:55:57,476 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 08:55:59,517 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 08:56:01,575 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 08:56:02,839 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 08:56:02,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998018783] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:56:02,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:56:02,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 32] total 95 [2022-12-13 08:56:02,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460249979] [2022-12-13 08:56:02,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:56:02,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 08:56:02,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:02,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 08:56:02,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=895, Invalid=7475, Unknown=18, NotChecked=732, Total=9120 [2022-12-13 08:56:02,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:02,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:02,851 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 08:56:02,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:56:02,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 08:56:02,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:57:34,524 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 64 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:57:40,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:59:42,765 WARN L233 SmtUtils]: Spent 30.21s 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 08:59:44,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:59:46,780 WARN L539 Checker$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 08:59:48,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:59:50,808 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse5 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse2 (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|) .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (.cse0 (* |c_ULTIMATE.start_main_~i~2#1| 28))) (let ((.cse1 (+ .cse0 28 |c_~#cache~0.offset|)) (.cse3 (select .cse2 |c_~#cache~0.base|))) (and (< (+ .cse0 28) (* |c_t_funThread1of1ForFork0_~i~0#1| 28)) (= |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 (< .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse2 |c_~#cache~0.base| (store .cse3 |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 .cse2 |c_~#cache~0.base| (store .cse3 |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|) (< .cse1 |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 (< .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse2 |c_~#cache~0.base| (store .cse3 |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|))) (or (< .cse1 |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|)) (< .cse1 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23| Int) (v_ArrVal_1336 Int)) (or (< .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_23|) (= (select (select (store .cse2 |c_~#cache~0.base| (store .cse3 |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|))))))) is different from false [2022-12-13 08:59:52,819 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|))) (= |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|))) (< |c_ULTIMATE.start_main_~i~2#1| |c_t_funThread1of1ForFork0_~i~0#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| 2)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))))))) is different from false [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:00:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:00:13,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-12-13 09:00:13,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-13 09:00:13,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 09:00:13,467 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:00:13,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:00:13,469 INFO L85 PathProgramCache]: Analyzing trace with hash -598692087, now seen corresponding path program 2 times [2022-12-13 09:00:13,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:00:13,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191407441] [2022-12-13 09:00:13,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:00:13,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:00:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:00:15,251 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 09:00:15,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:00:15,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191407441] [2022-12-13 09:00:15,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191407441] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:00:15,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149950439] [2022-12-13 09:00:15,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:00:15,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:00:15,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:00:15,253 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:00:15,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 09:00:15,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:00:15,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:00:15,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 09:00:15,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:00:15,976 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 09:00:15,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:00:15,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149950439] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:00:15,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:00:15,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [37] total 39 [2022-12-13 09:00:15,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407862291] [2022-12-13 09:00:15,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:00:15,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 09:00:15,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:00:15,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 09:00:15,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=1116, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 09:00:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:00:15,979 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:00:15,979 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 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:00:15,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:00:15,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-12-13 09:00:15,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:00:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:00:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:00:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:00:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:00:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:00:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:00:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:00:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:00:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:00:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-12-13 09:00:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:00:17,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 09:00:17,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 09:00:17,362 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-12-13 09:00:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:00:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1550229642, now seen corresponding path program 3 times [2022-12-13 09:00:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:00:17,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277297059] [2022-12-13 09:00:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:00:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:00:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:00:23,224 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 09:00:23,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:00:23,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277297059] [2022-12-13 09:00:23,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277297059] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:00:23,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171090660] [2022-12-13 09:00:23,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:00:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:00:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:00:23,225 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:00:23,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772294d4-9927-4306-9b19-16db0aeb32b5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 09:00:23,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 09:00:23,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:00:23,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 93 conjunts are in the unsatisfiable core [2022-12-13 09:00:23,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:00:24,206 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 09:00:24,352 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 09:00:24,430 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 09:00:24,509 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 09:00:24,602 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 09:00:25,200 INFO L321 Elim1Store]: treesize reduction 22, result has 38.9 percent of original size [2022-12-13 09:00:25,201 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 09:00:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,406 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 09:00:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,446 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 09:00:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,508 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 09:00:25,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,589 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 09:00:25,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,807 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 09:00:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:25,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2022-12-13 09:00:26,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2022-12-13 09:00:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2022-12-13 09:00:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:26,454 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 09:00:27,109 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 09:00:27,109 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 09:00:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:00:27,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 71 [2022-12-13 09:00:27,356 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 09:00:27,356 INFO L328 TraceCheckSpWp]: Computing backward predicates...