./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/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_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am --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-4e7fbc6 [2022-11-23 06:42:25,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:42:25,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:42:25,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:42:25,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:42:25,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:42:25,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:42:25,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:42:25,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:42:25,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:42:25,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:42:25,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:42:25,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:42:25,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:42:25,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:42:25,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:42:25,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:42:25,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:42:25,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:42:25,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:42:25,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:42:25,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:42:25,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:42:25,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:42:25,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:42:25,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:42:25,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:42:25,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:42:25,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:42:25,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:42:25,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:42:25,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:42:25,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:42:25,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:42:25,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:42:25,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:42:25,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:42:25,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:42:25,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:42:25,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:42:25,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:42:25,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-23 06:42:25,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:42:25,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:42:25,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:42:25,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:42:25,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:42:25,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:42:25,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:42:25,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:42:25,379 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:42:25,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:42:25,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:42:25,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:42:25,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:42:25,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:42:25,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:42:25,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 06:42:25,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:42:25,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 06:42:25,382 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 06:42:25,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:42:25,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 06:42:25,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:42:25,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 06:42:25,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:42:25,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:42:25,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-23 06:42:25,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:42:25,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:42:25,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:42:25,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:42:25,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 06:42:25,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:42:25,386 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-23 06:42:25,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:42:25,386 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:42:25,386 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:42:25,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:42:25,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 06:42:25,387 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:42:25,388 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:42:25,388 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_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebedbc62bd44b0c214a81c07c6f99e850a5d96675b77716f8547d1b39e8b2cf8 [2022-11-23 06:42:25,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:42:25,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:42:25,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:42:25,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:42:25,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:42:25,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i [2022-11-23 06:42:28,845 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:42:29,175 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:42:29,176 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/sv-benchmarks/c/goblint-regression/06-symbeq_02-funloop_norace.i [2022-11-23 06:42:29,188 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/data/a87fa2aee/a772a40ae22f4e608c63c289732e0e60/FLAGd3d70d6dd [2022-11-23 06:42:29,209 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/data/a87fa2aee/a772a40ae22f4e608c63c289732e0e60 [2022-11-23 06:42:29,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:42:29,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:42:29,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:42:29,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:42:29,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:42:29,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:29,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d845ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29, skipping insertion in model container [2022-11-23 06:42:29,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:29,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:42:29,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:42:29,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:42:29,806 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:42:29,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:42:29,907 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:42:29,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29 WrapperNode [2022-11-23 06:42:29,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:42:29,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:42:29,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:42:29,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:42:29,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:29,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:29,965 INFO L138 Inliner]: procedures = 262, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-11-23 06:42:29,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:42:29,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:42:29,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:42:29,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:42:29,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:29,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:29,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:29,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:30,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:30,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:30,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:30,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:30,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:42:30,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:42:30,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:42:30,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:42:30,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ... [2022-11-23 06:42:30,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:42:30,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:30,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:42:30,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:42:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:42:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:42:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 06:42:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:42:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 06:42:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:42:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 06:42:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 06:42:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:42:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:42:30,136 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:42:30,278 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:42:30,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:42:30,622 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:42:30,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:42:30,633 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 06:42:30,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:30 BoogieIcfgContainer [2022-11-23 06:42:30,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:42:30,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:42:30,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:42:30,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:42:30,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:42:29" (1/3) ... [2022-11-23 06:42:30,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7240bd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:42:30, skipping insertion in model container [2022-11-23 06:42:30,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (2/3) ... [2022-11-23 06:42:30,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7240bd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:42:30, skipping insertion in model container [2022-11-23 06:42:30,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:30" (3/3) ... [2022-11-23 06:42:30,645 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_02-funloop_norace.i [2022-11-23 06:42:30,654 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 06:42:30,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:42:30,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 06:42:30,667 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:42:30,758 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 06:42:30,808 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:42:30,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:42:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:30,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:42:30,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:42:30,866 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:42:30,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-23 06:42:30,887 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;@68b42b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:42:30,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 06:42:31,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:31,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:31,223 INFO L85 PathProgramCache]: Analyzing trace with hash 750851404, now seen corresponding path program 1 times [2022-11-23 06:42:31,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:31,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831119474] [2022-11-23 06:42:31,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:31,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:31,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:31,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831119474] [2022-11-23 06:42:31,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831119474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:42:31,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:42:31,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 06:42:31,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755219542] [2022-11-23 06:42:31,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:42:31,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 06:42:31,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:31,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 06:42:31,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 06:42:31,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:31,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:31,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-11-23 06:42:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:31,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:31,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 06:42:31,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:31,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:31,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2017669902, now seen corresponding path program 1 times [2022-11-23 06:42:31,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:31,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469838487] [2022-11-23 06:42:31,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:31,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:31,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:31,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469838487] [2022-11-23 06:42:31,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469838487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:42:31,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:42:31,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 06:42:31,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073065036] [2022-11-23 06:42:31,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:42:31,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 06:42:31,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:31,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 06:42:31,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 06:42:31,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:31,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:31,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-11-23 06:42:31,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:31,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:31,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:31,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:31,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 06:42:31,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:31,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:31,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1796309385, now seen corresponding path program 1 times [2022-11-23 06:42:31,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:31,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185471696] [2022-11-23 06:42:31,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:31,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:32,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:32,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185471696] [2022-11-23 06:42:32,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185471696] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:32,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753485372] [2022-11-23 06:42:32,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:32,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:32,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:32,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 06:42:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:32,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 06:42:32,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 06:42:32,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:42:32,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753485372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:42:32,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 06:42:32,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-23 06:42:32,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741111334] [2022-11-23 06:42:32,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:42:32,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 06:42:32,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 06:42:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 06:42:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:32,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:32,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-11-23 06:42:32,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:32,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:32,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:32,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:32,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:32,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:32,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:32,666 INFO L85 PathProgramCache]: Analyzing trace with hash -522603184, now seen corresponding path program 1 times [2022-11-23 06:42:32,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:32,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827107178] [2022-11-23 06:42:32,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:32,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:32,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827107178] [2022-11-23 06:42:32,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827107178] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:32,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735614420] [2022-11-23 06:42:32,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:32,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:32,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:32,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:32,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 06:42:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:32,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 06:42:32,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:33,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:42:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:33,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735614420] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:42:33,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:42:33,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-23 06:42:33,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712553512] [2022-11-23 06:42:33,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:42:33,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 06:42:33,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:33,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 06:42:33,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-23 06:42:33,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:33,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:33,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 06:42:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:33,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:33,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:33,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:33,467 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1320806128, now seen corresponding path program 2 times [2022-11-23 06:42:33,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:33,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010635933] [2022-11-23 06:42:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:33,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:33,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:33,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010635933] [2022-11-23 06:42:33,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010635933] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:33,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692721375] [2022-11-23 06:42:33,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:42:33,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:33,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:33,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:33,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 06:42:33,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:42:33,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:42:33,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-23 06:42:33,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:34,193 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 [2022-11-23 06:42:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 06:42:34,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:42:34,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692721375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:42:34,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 06:42:34,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2022-11-23 06:42:34,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157928183] [2022-11-23 06:42:34,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:42:34,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 06:42:34,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:34,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 06:42:34,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-11-23 06:42:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:34,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:34,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 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) [2022-11-23 06:42:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:34,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:34,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:34,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:34,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:34,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:34,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:34,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:34,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:34,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:34,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:34,832 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash 321239932, now seen corresponding path program 1 times [2022-11-23 06:42:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:34,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855629441] [2022-11-23 06:42:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:35,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:35,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855629441] [2022-11-23 06:42:35,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855629441] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:35,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071826663] [2022-11-23 06:42:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:35,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:35,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:35,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:35,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 06:42:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:35,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 06:42:35,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:35,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:42:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:35,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071826663] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:42:35,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:42:35,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-23 06:42:35,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772248973] [2022-11-23 06:42:35,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:42:35,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-23 06:42:35,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:35,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-23 06:42:35,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-23 06:42:35,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:35,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:35,305 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) [2022-11-23 06:42:35,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:35,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:35,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:35,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:35,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:35,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:35,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:35,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:35,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:35,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:35,798 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:35,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash 740956220, now seen corresponding path program 2 times [2022-11-23 06:42:35,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:35,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642975288] [2022-11-23 06:42:35,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:35,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:36,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:36,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642975288] [2022-11-23 06:42:36,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642975288] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:36,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806882053] [2022-11-23 06:42:36,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:42:36,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:36,163 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:36,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 06:42:36,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:42:36,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:42:36,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-23 06:42:36,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:36,284 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 [2022-11-23 06:42:36,304 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 [2022-11-23 06:42:36,340 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:42:36,340 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 [2022-11-23 06:42:36,385 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:42:36,385 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 [2022-11-23 06:42:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-23 06:42:36,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:42:36,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806882053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:42:36,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 06:42:36,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-11-23 06:42:36,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713218371] [2022-11-23 06:42:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:42:36,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 06:42:36,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:36,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 06:42:36,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-11-23 06:42:36,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:36,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:36,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 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) [2022-11-23 06:42:36,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:36,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:36,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:36,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:36,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:36,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:36,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:36,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:36,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:36,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:36,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:36,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:36,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:36,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:36,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:36,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:36,784 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:36,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:36,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1687288255, now seen corresponding path program 1 times [2022-11-23 06:42:36,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:36,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271535311] [2022-11-23 06:42:36,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:36,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:37,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:37,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271535311] [2022-11-23 06:42:37,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271535311] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:37,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005795467] [2022-11-23 06:42:37,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:37,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:37,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:37,139 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:37,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 06:42:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:37,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-23 06:42:37,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:37,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:42:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:37,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005795467] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:42:37,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:42:37,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-23 06:42:37,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773044927] [2022-11-23 06:42:37,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:42:37,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-23 06:42:37,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:37,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-23 06:42:37,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-23 06:42:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:37,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:37,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.478260869565218) internal successors, (103), 23 states have internal predecessors, (103), 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) [2022-11-23 06:42:37,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:37,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:37,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:37,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:42:37,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:38,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:38,145 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:38,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:38,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1871329640, now seen corresponding path program 2 times [2022-11-23 06:42:38,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:38,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443265420] [2022-11-23 06:42:38,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:38,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:42:38,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:38,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443265420] [2022-11-23 06:42:38,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443265420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:42:38,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:42:38,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 06:42:38,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268116533] [2022-11-23 06:42:38,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:42:38,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 06:42:38,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:38,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 06:42:38,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 06:42:38,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:38,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:38,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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) [2022-11-23 06:42:38,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:38,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:38,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:38,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:38,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-23 06:42:38,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:38,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:38,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:42:38,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:42:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:42:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:39,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 06:42:39,176 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:39,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:39,177 INFO L85 PathProgramCache]: Analyzing trace with hash -721265389, now seen corresponding path program 1 times [2022-11-23 06:42:39,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:39,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209932163] [2022-11-23 06:42:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:39,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:42:41,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:41,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209932163] [2022-11-23 06:42:41,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209932163] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:41,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062664558] [2022-11-23 06:42:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:41,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:41,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:41,017 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:41,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 06:42:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:41,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-23 06:42:41,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:42,039 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 [2022-11-23 06:42:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:42:42,093 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 [2022-11-23 06:42:42,113 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 [2022-11-23 06:42:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:42:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:42:42,179 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 [2022-11-23 06:42:42,228 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:42:42,229 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 [2022-11-23 06:42:42,296 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:42:42,298 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 [2022-11-23 06:42:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:42:42,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:42:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:42:43,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062664558] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:42:43,561 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:42:43,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 14] total 42 [2022-11-23 06:42:43,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474061448] [2022-11-23 06:42:43,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:42:43,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-23 06:42:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-23 06:42:43,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1560, Unknown=0, NotChecked=0, Total=1722 [2022-11-23 06:42:43,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:43,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:43,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.880952380952381) internal successors, (247), 42 states have internal predecessors, (247), 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) [2022-11-23 06:42:43,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:43,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:43,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:43,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:43,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:42:43,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:43,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:42:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:42:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:47,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:42:47,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:47,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 06:42:47,982 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:42:47,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:47,982 INFO L85 PathProgramCache]: Analyzing trace with hash -2146125825, now seen corresponding path program 1 times [2022-11-23 06:42:47,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:47,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417255602] [2022-11-23 06:42:47,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:47,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 4 proven. 72 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:42:50,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:50,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417255602] [2022-11-23 06:42:50,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417255602] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:50,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548184068] [2022-11-23 06:42:50,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:50,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:50,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:50,509 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 06:42:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:50,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-23 06:42:50,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:52,105 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 [2022-11-23 06:42:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:42:52,537 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 23 treesize of output 22 [2022-11-23 06:42:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-23 06:42:52,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:42:53,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 81 [2022-11-23 06:42:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 46 proven. 30 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:42:54,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548184068] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:42:54,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:42:54,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 16] total 49 [2022-11-23 06:42:54,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466918796] [2022-11-23 06:42:54,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:42:54,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-23 06:42:54,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:54,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-23 06:42:54,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=2178, Unknown=0, NotChecked=0, Total=2352 [2022-11-23 06:42:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:54,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:54,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.938775510204081) internal successors, (389), 49 states have internal predecessors, (389), 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) [2022-11-23 06:42:54,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:42:54,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:42:54,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:42:54,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:43:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:43:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:43:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:43:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:43:00,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-23 06:43:00,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 06:43:00,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:43:00,387 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:43:00,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:43:00,388 INFO L85 PathProgramCache]: Analyzing trace with hash -575601124, now seen corresponding path program 1 times [2022-11-23 06:43:00,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:43:00,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181742040] [2022-11-23 06:43:00,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:43:00,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:43:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:43:02,092 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:43:02,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:43:02,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181742040] [2022-11-23 06:43:02,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181742040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:43:02,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760429169] [2022-11-23 06:43:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:43:02,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:43:02,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:43:02,095 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:43:02,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 06:43:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:43:02,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-23 06:43:02,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:43:03,506 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 [2022-11-23 06:43:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:03,558 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 [2022-11-23 06:43:03,595 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 [2022-11-23 06:43:03,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:03,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:03,660 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 [2022-11-23 06:43:03,711 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:43:03,712 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 [2022-11-23 06:43:03,780 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:43:03,780 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 [2022-11-23 06:43:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 17 proven. 60 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:43:03,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:43:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 17 proven. 53 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-11-23 06:43:04,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760429169] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:43:04,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:43:04,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 17] total 49 [2022-11-23 06:43:04,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147831500] [2022-11-23 06:43:04,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:43:04,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-23 06:43:04,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:43:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-23 06:43:04,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=2237, Unknown=0, NotChecked=0, Total=2450 [2022-11-23 06:43:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:04,979 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:43:04,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 8.326530612244898) internal successors, (408), 50 states have internal predecessors, (408), 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) [2022-11-23 06:43:04,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:04,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:04,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:04,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:43:04,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:43:04,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:43:04,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:04,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:43:04,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:04,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:43:04,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-11-23 06:43:04,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:43:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:43:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:43:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:43:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:43:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:43:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-23 06:43:14,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-23 06:43:14,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:43:14,858 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:43:14,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:43:14,859 INFO L85 PathProgramCache]: Analyzing trace with hash -167368033, now seen corresponding path program 1 times [2022-11-23 06:43:14,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:43:14,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198326426] [2022-11-23 06:43:14,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:43:14,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:43:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:43:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 42 proven. 407 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-23 06:43:19,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:43:19,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198326426] [2022-11-23 06:43:19,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198326426] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:43:19,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585796229] [2022-11-23 06:43:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:43:19,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:43:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:43:19,095 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:43:19,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 06:43:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:43:19,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-23 06:43:19,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:43:22,038 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 [2022-11-23 06:43:22,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:22,370 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 23 treesize of output 22 [2022-11-23 06:43:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 318 proven. 380 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-23 06:43:22,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:43:23,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 188 [2022-11-23 06:43:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 356 proven. 154 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-23 06:43:24,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585796229] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:43:24,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:43:24,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 31, 19] total 69 [2022-11-23 06:43:24,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663237709] [2022-11-23 06:43:24,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:43:24,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-11-23 06:43:24,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:43:24,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-11-23 06:43:24,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=4437, Unknown=0, NotChecked=0, Total=4692 [2022-11-23 06:43:24,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:24,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:43:24,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 9.507246376811594) internal successors, (656), 69 states have internal predecessors, (656), 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) [2022-11-23 06:43:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:43:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:43:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:43:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:43:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:43:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:43:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-23 06:43:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:43:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:43:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:43:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:43:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:43:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:43:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:43:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-23 06:43:46,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-11-23 06:43:46,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 06:43:47,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 06:43:47,138 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:43:47,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:43:47,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1196843575, now seen corresponding path program 2 times [2022-11-23 06:43:47,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:43:47,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374598159] [2022-11-23 06:43:47,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:43:47,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:43:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:43:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 143 proven. 578 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-11-23 06:43:51,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:43:51,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374598159] [2022-11-23 06:43:51,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374598159] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:43:51,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061662189] [2022-11-23 06:43:51,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:43:51,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:43:51,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:43:51,910 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:43:51,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 06:43:52,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:43:52,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:43:52,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-23 06:43:52,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:43:53,038 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 [2022-11-23 06:43:53,098 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 06:43:53,099 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 [2022-11-23 06:43:53,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 06:43:53,412 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 19 treesize of output 18 [2022-11-23 06:43:53,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-23 06:43:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 06:43:53,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 06:43:53,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-23 06:43:53,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-23 06:43:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:43:53,801 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 [2022-11-23 06:43:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 49 proven. 187 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2022-11-23 06:43:56,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:44:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:44:02,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2022-11-23 06:44:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2022-11-23 06:44:03,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061662189] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 06:44:03,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:44:03,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [24, 13] total 48 [2022-11-23 06:44:03,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521386381] [2022-11-23 06:44:03,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:44:03,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 06:44:03,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:44:03,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 06:44:03,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=2113, Unknown=0, NotChecked=0, Total=2352 [2022-11-23 06:44:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:03,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:44:03,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.571428571428571) internal successors, (134), 15 states have internal predecessors, (134), 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) [2022-11-23 06:44:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:44:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:44:03,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-23 06:44:03,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-11-23 06:44:03,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:44:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:44:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:44:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:44:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-11-23 06:44:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:12,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-23 06:44:13,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 06:44:13,062 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:44:13,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:13,062 INFO L85 PathProgramCache]: Analyzing trace with hash 352489281, now seen corresponding path program 2 times [2022-11-23 06:44:13,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:44:13,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639871673] [2022-11-23 06:44:13,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:13,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:44:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:44:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 216 proven. 663 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2022-11-23 06:44:17,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:44:17,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639871673] [2022-11-23 06:44:17,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639871673] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:44:17,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748896472] [2022-11-23 06:44:17,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:44:17,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:44:17,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:17,667 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:44:17,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-23 06:44:17,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:44:17,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:44:17,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-23 06:44:17,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:44:18,002 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 [2022-11-23 06:44:18,046 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 [2022-11-23 06:44:18,155 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-23 06:44:18,156 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 3 case distinctions, treesize of input 28 treesize of output 48 [2022-11-23 06:44:18,289 INFO L321 Elim1Store]: treesize reduction 45, result has 27.4 percent of original size [2022-11-23 06:44:18,289 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 4 case distinctions, treesize of input 55 treesize of output 70 [2022-11-23 06:44:18,501 INFO L321 Elim1Store]: treesize reduction 96, result has 36.0 percent of original size [2022-11-23 06:44:18,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 74 treesize of output 110 [2022-11-23 06:44:18,766 INFO L321 Elim1Store]: treesize reduction 118, result has 23.9 percent of original size [2022-11-23 06:44:18,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 109 treesize of output 140 [2022-11-23 06:44:19,152 INFO L321 Elim1Store]: treesize reduction 184, result has 28.4 percent of original size [2022-11-23 06:44:19,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 137 treesize of output 189 [2022-11-23 06:44:19,852 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:44:19,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 70 [2022-11-23 06:44:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2022-11-23 06:44:19,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:44:19,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748896472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:44:19,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 06:44:19,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [25] total 34 [2022-11-23 06:44:19,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994435024] [2022-11-23 06:44:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:44:19,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 06:44:19,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:44:19,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 06:44:19,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1024, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 06:44:19,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:19,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:44:19,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.9) internal successors, (99), 11 states have internal predecessors, (99), 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) [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:44:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-11-23 06:44:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:44:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:44:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:44:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-11-23 06:44:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 06:44:21,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-23 06:44:22,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 06:44:22,011 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:44:22,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1957707412, now seen corresponding path program 2 times [2022-11-23 06:44:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:44:22,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879603124] [2022-11-23 06:44:22,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:22,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:44:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:44:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1502 backedges. 202 proven. 683 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2022-11-23 06:44:25,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:44:25,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879603124] [2022-11-23 06:44:25,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879603124] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:44:25,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177331048] [2022-11-23 06:44:25,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:44:25,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:44:25,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:25,363 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:44:25,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 06:44:26,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 06:44:26,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:44:26,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-23 06:44:26,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:44:31,333 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 [2022-11-23 06:44:31,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:44:31,442 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 [2022-11-23 06:44:31,457 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 [2022-11-23 06:44:31,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:44:31,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:44:31,565 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 [2022-11-23 06:44:31,649 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:44:31,649 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 [2022-11-23 06:44:31,756 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:44:31,757 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 [2022-11-23 06:44:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1502 backedges. 36 proven. 1231 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:44:31,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:44:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1502 backedges. 374 proven. 292 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2022-11-23 06:44:34,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177331048] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:44:34,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:44:34,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 41, 20] total 74 [2022-11-23 06:44:34,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908490960] [2022-11-23 06:44:34,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:44:34,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-11-23 06:44:34,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:44:34,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-11-23 06:44:34,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=5168, Unknown=0, NotChecked=0, Total=5550 [2022-11-23 06:44:34,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:34,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:44:34,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 74 states have (on average 9.932432432432432) internal successors, (735), 75 states have internal predecessors, (735), 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) [2022-11-23 06:44:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:44:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:44:34,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:44:34,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:44:34,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:44:34,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-11-23 06:44:34,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:44:34,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-23 06:44:34,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:45:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 06:45:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2022-11-23 06:45:09,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-23 06:45:09,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-23 06:45:09,864 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:45:09,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:45:09,864 INFO L85 PathProgramCache]: Analyzing trace with hash -2034739159, now seen corresponding path program 3 times [2022-11-23 06:45:09,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:45:09,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461002285] [2022-11-23 06:45:09,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:45:09,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:45:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:45:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 2611 proven. 1249 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:45:14,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:45:14,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461002285] [2022-11-23 06:45:14,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461002285] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:45:14,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102065414] [2022-11-23 06:45:14,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 06:45:14,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:45:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:45:14,763 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:45:14,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-23 06:45:15,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 06:45:15,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:45:15,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-23 06:45:15,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:45:17,611 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 [2022-11-23 06:45:18,094 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-23 06:45:18,094 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 1 case distinctions, treesize of input 23 treesize of output 30 [2022-11-23 06:45:18,288 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 [2022-11-23 06:45:18,598 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 [2022-11-23 06:45:18,921 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 [2022-11-23 06:45:19,130 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 [2022-11-23 06:45:19,801 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 06:45:19,801 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 25 treesize of output 17 [2022-11-23 06:45:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:20,022 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 [2022-11-23 06:45:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 588 proven. 78 refuted. 0 times theorem prover too weak. 3429 trivial. 0 not checked. [2022-11-23 06:45:25,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:45:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:35,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 06:45:35,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2022-11-23 06:45:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:35,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 06:45:35,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2022-11-23 06:45:35,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:45:35,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 06:45:35,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2022-11-23 06:45:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 660 proven. 6 refuted. 0 times theorem prover too weak. 3429 trivial. 0 not checked. [2022-11-23 06:45:37,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102065414] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:45:37,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:45:37,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 18, 17] total 84 [2022-11-23 06:45:37,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212069699] [2022-11-23 06:45:37,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:45:37,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-11-23 06:45:37,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:45:37,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-11-23 06:45:37,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=6427, Unknown=3, NotChecked=0, Total=6972 [2022-11-23 06:45:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:45:37,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:45:37,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 11.845238095238095) internal successors, (995), 84 states have internal predecessors, (995), 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) [2022-11-23 06:45:37,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:45:37,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:45:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:45:37,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:45:37,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:45:37,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2022-11-23 06:45:37,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:45:37,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-23 06:45:37,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2022-11-23 06:45:37,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:47:41,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:47:41,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:47:41,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:47:41,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 06:47:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-11-23 06:47:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-11-23 06:47:41,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-23 06:47:41,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-23 06:47:41,451 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:47:41,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:47:41,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2103084127, now seen corresponding path program 4 times [2022-11-23 06:47:41,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:47:41,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098235026] [2022-11-23 06:47:41,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:47:41,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:47:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:47:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 2440 proven. 746 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-23 06:47:43,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:47:43,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098235026] [2022-11-23 06:47:43,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098235026] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:47:43,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862011285] [2022-11-23 06:47:43,211 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 06:47:43,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:47:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:47:43,214 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:47:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-23 06:47:43,932 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 06:47:43,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:47:43,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 06:47:43,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:47:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 3178 proven. 24 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-23 06:47:45,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:47:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 3178 proven. 24 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-23 06:47:47,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862011285] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:47:47,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:47:47,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 44 [2022-11-23 06:47:47,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983030413] [2022-11-23 06:47:47,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:47:47,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-23 06:47:47,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:47:47,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-23 06:47:47,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1626, Unknown=0, NotChecked=0, Total=1892 [2022-11-23 06:47:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:47:47,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:47:47,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 27.295454545454547) internal successors, (1201), 44 states have internal predecessors, (1201), 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) [2022-11-23 06:47:47,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:47:47,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:47:47,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-11-23 06:47:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:48:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2022-11-23 06:48:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-11-23 06:48:04,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-23 06:48:04,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-23 06:48:04,530 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:48:04,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:48:04,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1920874052, now seen corresponding path program 1 times [2022-11-23 06:48:04,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:48:04,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176958755] [2022-11-23 06:48:04,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:48:04,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:48:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:48:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2448 backedges. 36 proven. 903 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2022-11-23 06:48:11,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:48:11,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176958755] [2022-11-23 06:48:11,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176958755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:48:11,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686250943] [2022-11-23 06:48:11,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:48:11,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:48:11,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:48:11,038 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:48:11,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-23 06:48:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:48:11,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 1837 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-23 06:48:11,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:48:18,661 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 [2022-11-23 06:48:18,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:48:18,772 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 [2022-11-23 06:48:18,863 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 [2022-11-23 06:48:18,972 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:48:18,973 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 [2022-11-23 06:48:19,086 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:48:19,087 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 [2022-11-23 06:48:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2448 backedges. 17 proven. 2196 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-23 06:48:19,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:48:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2448 backedges. 136 proven. 397 refuted. 0 times theorem prover too weak. 1915 trivial. 0 not checked. [2022-11-23 06:48:22,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686250943] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:48:22,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:48:22,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 47, 17] total 79 [2022-11-23 06:48:22,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312950190] [2022-11-23 06:48:22,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:48:22,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-11-23 06:48:22,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:48:22,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-11-23 06:48:22,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=5785, Unknown=0, NotChecked=0, Total=6162 [2022-11-23 06:48:22,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:48:22,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:48:22,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 10.60759493670886) internal successors, (838), 79 states have internal predecessors, (838), 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) [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-11-23 06:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2022-11-23 06:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-23 06:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2022-11-23 06:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2022-11-23 06:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-11-23 06:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:50:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:50:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:50:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:50:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:50:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2022-11-23 06:50:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-11-23 06:50:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 629 states. [2022-11-23 06:50:10,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-23 06:50:10,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:50:10,644 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-23 06:50:10,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:50:10,645 INFO L85 PathProgramCache]: Analyzing trace with hash 867602960, now seen corresponding path program 5 times [2022-11-23 06:50:10,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:50:10,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857531933] [2022-11-23 06:50:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:50:10,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:50:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:50:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 261 proven. 1024 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-11-23 06:50:23,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:50:23,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857531933] [2022-11-23 06:50:23,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857531933] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:50:23,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262328072] [2022-11-23 06:50:23,132 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-23 06:50:23,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:50:23,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:50:23,134 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:50:23,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a9b1d6-957a-44f4-a9ec-b8b0caa47e8b/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process