./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-inc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-inc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S --witnessprinter.witness.filename witness --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 2c4a731d968c8b3136fe56f501bb6493c1ca96e59709a347334934436fe70eb7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:09:06,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:09:06,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 22:09:06,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:09:06,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:09:06,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:09:06,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:09:06,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:09:06,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:09:06,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:09:06,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:09:06,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:09:06,385 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:09:06,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:09:06,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:09:06,389 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:09:06,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:09:06,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:09:06,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:09:06,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:09:06,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:09:06,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:09:06,392 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 22:09:06,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:09:06,393 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:09:06,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:09:06,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:09:06,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:09:06,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:09:06,399 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 22:09:06,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:09:06,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:09:06,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:09:06,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:09:06,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:09:06,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:09:06,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:09:06,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:09:06,403 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 22:09:06,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 22:09:06,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:09:06,404 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 22:09:06,404 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 22:09:06,404 INFO L153 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_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c4a731d968c8b3136fe56f501bb6493c1ca96e59709a347334934436fe70eb7 [2023-11-24 22:09:06,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:09:06,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:09:06,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:09:06,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:09:06,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:09:06,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-inc.i [2023-11-24 22:09:10,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:09:10,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:09:10,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/sv-benchmarks/c/pthread-race-challenges/per-thread-index-inc.i [2023-11-24 22:09:10,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/data/ff3b8c7f0/17f416a19dee42698d3d9269feffa4bd/FLAG020780a5b [2023-11-24 22:09:10,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/data/ff3b8c7f0/17f416a19dee42698d3d9269feffa4bd [2023-11-24 22:09:10,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:09:10,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:09:10,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:09:10,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:09:10,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:09:10,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:09:10" (1/1) ... [2023-11-24 22:09:10,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f95555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:10, skipping insertion in model container [2023-11-24 22:09:10,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:09:10" (1/1) ... [2023-11-24 22:09:10,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:09:11,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:09:11,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:09:11,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:09:11,320 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:09:11,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11 WrapperNode [2023-11-24 22:09:11,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:09:11,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:09:11,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:09:11,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:09:11,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,411 INFO L138 Inliner]: procedures = 281, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-24 22:09:11,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:09:11,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:09:11,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:09:11,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:09:11,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:09:11,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:09:11,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:09:11,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:09:11,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (1/1) ... [2023-11-24 22:09:11,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:09:11,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:09:11,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 22:09:11,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 22:09:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:09:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:09:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:09:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:09:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:09:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-24 22:09:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-24 22:09:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:09:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:09:11,568 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:09:11,751 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:09:11,753 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:09:12,050 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:09:12,071 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:09:12,071 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:09:12,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:09:12 BoogieIcfgContainer [2023-11-24 22:09:12,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:09:12,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:09:12,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:09:12,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:09:12,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:09:10" (1/3) ... [2023-11-24 22:09:12,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64200f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:09:12, skipping insertion in model container [2023-11-24 22:09:12,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:09:11" (2/3) ... [2023-11-24 22:09:12,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64200f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:09:12, skipping insertion in model container [2023-11-24 22:09:12,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:09:12" (3/3) ... [2023-11-24 22:09:12,126 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-index-inc.i [2023-11-24 22:09:12,134 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 22:09:12,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:09:12,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-11-24 22:09:12,150 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 22:09:12,306 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-24 22:09:12,353 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:09:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 22:09:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:09:12,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 22:09:12,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-24 22:09:12,423 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 22:09:12,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2023-11-24 22:09:12,447 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=LoopHeads, 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;@308ca9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:09:12,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-24 22:09:12,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:12,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:12,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2066601285, now seen corresponding path program 1 times [2023-11-24 22:09:12,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:12,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452654041] [2023-11-24 22:09:12,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:12,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:13,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:13,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452654041] [2023-11-24 22:09:13,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452654041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:09:13,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:09:13,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:09:13,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672187616] [2023-11-24 22:09:13,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:09:13,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 22:09:13,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 22:09:13,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 22:09:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:13,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2023-11-24 22:09:13,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 22:09:13,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:13,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1742492828, now seen corresponding path program 1 times [2023-11-24 22:09:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:13,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8043028] [2023-11-24 22:09:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:13,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:13,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8043028] [2023-11-24 22:09:13,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8043028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:09:13,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:09:13,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:09:13,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218680434] [2023-11-24 22:09:13,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:09:13,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:09:13,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:13,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:09:13,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:09:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:13,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:09:13,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:13,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 22:09:13,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:13,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:13,397 INFO L85 PathProgramCache]: Analyzing trace with hash 9922377, now seen corresponding path program 1 times [2023-11-24 22:09:13,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:13,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731049412] [2023-11-24 22:09:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:13,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:13,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731049412] [2023-11-24 22:09:13,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731049412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:09:13,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:09:13,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:09:13,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383732402] [2023-11-24 22:09:13,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:09:13,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:09:13,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:13,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:09:13,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:09:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:13,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2023-11-24 22:09:13,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:13,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:13,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 22:09:13,641 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:13,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:13,662 INFO L85 PathProgramCache]: Analyzing trace with hash 661800941, now seen corresponding path program 1 times [2023-11-24 22:09:13,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:13,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288568802] [2023-11-24 22:09:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:13,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:13,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:13,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288568802] [2023-11-24 22:09:13,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288568802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:09:13,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:09:13,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:09:13,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528602228] [2023-11-24 22:09:13,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:09:13,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:09:13,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:13,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:09:13,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:09:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,857 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:13,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2023-11-24 22:09:13,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:13,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:13,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:13,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:14,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 22:09:14,012 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:14,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:14,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2145549144, now seen corresponding path program 1 times [2023-11-24 22:09:14,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:14,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025323146] [2023-11-24 22:09:14,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:14,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:14,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:14,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025323146] [2023-11-24 22:09:14,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025323146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:09:14,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:09:14,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:09:14,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539163201] [2023-11-24 22:09:14,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:09:14,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 22:09:14,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:14,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 22:09:14,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 22:09:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:14,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:14,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 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) [2023-11-24 22:09:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:14,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:14,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:15,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 22:09:15,130 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:15,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:15,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1185942252, now seen corresponding path program 1 times [2023-11-24 22:09:15,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:15,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509758111] [2023-11-24 22:09:15,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:15,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:16,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:16,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509758111] [2023-11-24 22:09:16,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509758111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:09:16,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:09:16,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-24 22:09:16,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272778145] [2023-11-24 22:09:16,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:09:16,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 22:09:16,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:16,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 22:09:16,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-24 22:09:16,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:16,167 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:16,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 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) [2023-11-24 22:09:16,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:16,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:16,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:16,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:16,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:16,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:16,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:09:16,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-24 22:09:16,772 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:16,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:16,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1913256608, now seen corresponding path program 1 times [2023-11-24 22:09:16,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:16,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576094142] [2023-11-24 22:09:16,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:16,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:18,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:18,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576094142] [2023-11-24 22:09:18,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576094142] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:09:18,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386916473] [2023-11-24 22:09:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:09:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:09:18,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:09:18,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 22:09:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:18,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:09:18,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:09:18,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-24 22:09:18,774 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-24 22:09:18,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-24 22:09:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:18,898 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-24 22:09:18,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2023-11-24 22:09:19,178 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-24 22:09:19,179 INFO L378 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2023-11-24 22:09:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:19,419 INFO L378 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 25 treesize of output 18 [2023-11-24 22:09:19,444 INFO L378 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 15 treesize of output 11 [2023-11-24 22:09:19,507 INFO L378 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 28 treesize of output 27 [2023-11-24 22:09:19,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:09:19,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-24 22:09:19,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:09:19,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-24 22:09:20,057 INFO L378 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 24 treesize of output 12 [2023-11-24 22:09:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:20,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2023-11-24 22:09:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:20,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2023-11-24 22:09:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:20,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2023-11-24 22:09:20,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:20,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2023-11-24 22:09:20,367 INFO L378 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 56 treesize of output 45 [2023-11-24 22:09:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:20,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:09:20,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386916473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:09:20,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 22:09:20,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 25 [2023-11-24 22:09:20,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796500682] [2023-11-24 22:09:20,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:09:20,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-24 22:09:20,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:20,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-24 22:09:20,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2023-11-24 22:09:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:20,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:20,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 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) [2023-11-24 22:09:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:20,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:09:20,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:09:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:09:21,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:09:22,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-24 22:09:22,007 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:22,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:22,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1456411060, now seen corresponding path program 2 times [2023-11-24 22:09:22,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:22,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953805628] [2023-11-24 22:09:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:22,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:23,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:23,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953805628] [2023-11-24 22:09:23,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953805628] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:09:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562109024] [2023-11-24 22:09:23,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 22:09:23,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:09:23,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:09:23,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:09:23,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 22:09:23,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 22:09:23,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:09:23,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 22:09:23,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:09:23,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-24 22:09:24,069 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-24 22:09:24,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 15 [2023-11-24 22:09:24,692 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-24 22:09:24,693 INFO L378 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 33 treesize of output 24 [2023-11-24 22:09:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:25,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-24 22:09:25,355 INFO L378 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 [2023-11-24 22:09:25,487 INFO L378 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 19 treesize of output 18 [2023-11-24 22:09:25,613 INFO L378 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 26 treesize of output 28 [2023-11-24 22:09:26,286 INFO L378 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 25 treesize of output 13 [2023-11-24 22:09:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:26,378 INFO L378 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 30 treesize of output 21 [2023-11-24 22:09:26,420 INFO L378 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 33 treesize of output 38 [2023-11-24 22:09:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:26,546 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:26,585 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:26,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:26,621 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:26,777 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:26,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:09:26,886 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_threadThread1of1ForFork0_~j~0 4))) (and (forall ((v_ArrVal_387 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)) |c_threadThread1of1ForFork0_#t~nondet8|)) (forall ((v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)))) (forall ((v_ArrVal_387 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)) |c_threadThread1of1ForFork0_#t~nondet8|)) (forall ((v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse0)))))) is different from false [2023-11-24 22:09:26,951 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_threadThread1of1ForFork0_~j~0 4))) (and (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)))) (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse0)))) (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)))) (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)))))) is different from false [2023-11-24 22:09:27,026 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse2 (+ c_~datas~0.offset 3 .cse1))) (let ((.cse0 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet8|)))) (and (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse1)))) (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse1)))) (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) .cse2))) (forall ((v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse1 1)))))))) is different from false [2023-11-24 22:09:27,065 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse0 (+ c_~datas~0.offset 3 .cse1))) (and (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse1)))) (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse1 1)) |c_threadThread1of1ForFork0_#t~nondet8|)) (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse1)))) (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_387) c_~datas~0.base) .cse0)))))) is different from false [2023-11-24 22:09:27,099 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse0 (+ c_~datas~0.offset 3 .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) .cse1 v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse2)))) (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) .cse1 v_ArrVal_387) c_~datas~0.base) .cse0) |c_threadThread1of1ForFork0_#t~nondet8|)) (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) .cse1 v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse2)))) (forall ((v_ArrVal_381 (Array Int Int)) (v_ArrVal_386 (Array Int Int)) (v_ArrVal_387 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_381) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_386) .cse1 v_ArrVal_387) c_~datas~0.base) (+ c_~datas~0.offset .cse2 1)) |c_threadThread1of1ForFork0_#t~nondet8|))))) is different from false [2023-11-24 22:09:27,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:09:27,966 INFO L378 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 232 treesize of output 214 [2023-11-24 22:09:27,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:09:27,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 183 treesize of output 95 [2023-11-24 22:09:27,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 17 [2023-11-24 22:09:27,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 36 treesize of output 24 [2023-11-24 22:09:28,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:28,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:28,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:28,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:28,033 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-24 22:09:28,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 1 [2023-11-24 22:09:28,036 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:28,036 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:28,044 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-24 22:09:28,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 1 [2023-11-24 22:09:29,016 INFO L378 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 83 treesize of output 67 [2023-11-24 22:09:29,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34 treesize of output 30 [2023-11-24 22:09:29,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:09:29,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34 treesize of output 39 [2023-11-24 22:09:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:29,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562109024] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:09:29,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 22:09:29,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 18] total 51 [2023-11-24 22:09:29,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081393517] [2023-11-24 22:09:29,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 22:09:29,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-11-24 22:09:29,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:29,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-11-24 22:09:29,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1923, Unknown=15, NotChecked=470, Total=2652 [2023-11-24 22:09:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:29,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:29,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 4.9411764705882355) internal successors, (252), 52 states have internal predecessors, (252), 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) [2023-11-24 22:09:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:09:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:09:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-24 22:09:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 22:09:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-24 22:09:35,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:09:35,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:09:35,240 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:35,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash 560731744, now seen corresponding path program 3 times [2023-11-24 22:09:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916542731] [2023-11-24 22:09:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:36,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:36,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:36,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916542731] [2023-11-24 22:09:36,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916542731] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:09:36,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344178440] [2023-11-24 22:09:36,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 22:09:36,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:09:36,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:09:36,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:09:36,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 22:09:36,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-24 22:09:36,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:09:36,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 22:09:36,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:09:36,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-24 22:09:37,098 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-24 22:09:37,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 15 [2023-11-24 22:09:37,829 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-24 22:09:37,830 INFO L378 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 33 treesize of output 24 [2023-11-24 22:09:37,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:37,838 INFO L378 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 16 treesize of output 11 [2023-11-24 22:09:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:38,517 INFO L378 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 16 treesize of output 11 [2023-11-24 22:09:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:38,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-24 22:09:38,570 INFO L378 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 [2023-11-24 22:09:38,686 INFO L378 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 19 treesize of output 18 [2023-11-24 22:09:39,307 INFO L378 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 7 treesize of output 3 [2023-11-24 22:09:39,319 INFO L378 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 25 treesize of output 13 [2023-11-24 22:09:39,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:39,409 INFO L378 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 23 treesize of output 16 [2023-11-24 22:09:39,451 INFO L378 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 26 treesize of output 28 [2023-11-24 22:09:39,562 INFO L378 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 33 treesize of output 38 [2023-11-24 22:09:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:39,673 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:39,706 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:39,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:39,743 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:39,875 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:39,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:09:39,967 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_threadThread1of1ForFork0_~j~0 4))) (and (forall ((v_ArrVal_498 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse0)) |c_threadThread1of1ForFork0_#t~nondet8|)) (forall ((v_ArrVal_498 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)))) (forall ((v_ArrVal_498 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)))) (forall ((v_ArrVal_498 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)))))) is different from false [2023-11-24 22:09:40,013 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_threadThread1of1ForFork0_~j~0 4))) (and (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse0)) |c_threadThread1of1ForFork0_#t~nondet8|)))) is different from false [2023-11-24 22:09:40,077 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse1 (+ c_~datas~0.offset 3 .cse2))) (let ((.cse0 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)))) (and (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) .cse1))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse2)))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse2 1)))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse2)))))))) is different from false [2023-11-24 22:09:40,104 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse2 (+ c_~datas~0.offset 2 .cse1)) (.cse3 (+ c_~datas~0.offset 3 .cse1))) (let ((.cse0 (store |c_#race| c_~datas~0.base (store (store (select |c_#race| c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet8|) .cse3 |c_threadThread1of1ForFork0_#t~nondet8|)))) (and (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse1)))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) .cse2))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) .cse3))) (forall ((v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse1 1)))))))) is different from false [2023-11-24 22:09:40,134 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse0 (+ c_~datas~0.offset 2 .cse2)) (.cse1 (+ c_~datas~0.offset 3 .cse2))) (and (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse2 1)))) (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) .cse1))) (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) .cse0))) (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) |c_ULTIMATE.start_main_#t~mem18#1.base| v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse2)) |c_threadThread1of1ForFork0_#t~nondet8|))))) is different from false [2023-11-24 22:09:40,166 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse0 (+ c_~datas~0.offset 2 .cse3)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse1 (+ c_~datas~0.offset 3 .cse3))) (and (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) .cse2 v_ArrVal_498) c_~datas~0.base) .cse0))) (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) .cse2 v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse3)))) (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) .cse2 v_ArrVal_498) c_~datas~0.base) (+ c_~datas~0.offset .cse3 1)))) (forall ((v_ArrVal_491 (Array Int Int)) (v_ArrVal_498 (Array Int Int)) (v_ArrVal_497 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_491) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet8|) .cse1 |c_threadThread1of1ForFork0_#t~nondet8|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_497) .cse2 v_ArrVal_498) c_~datas~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet8|))))) is different from false [2023-11-24 22:09:40,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 24 [2023-11-24 22:09:40,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 17 [2023-11-24 22:09:40,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:40,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:40,861 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-24 22:09:40,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 1 [2023-11-24 22:09:40,864 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:40,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:40,872 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-24 22:09:40,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 1 [2023-11-24 22:09:40,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:40,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:09:41,753 INFO L378 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 83 treesize of output 67 [2023-11-24 22:09:41,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34 treesize of output 30 [2023-11-24 22:09:41,819 INFO L378 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 8 treesize of output 4 [2023-11-24 22:09:41,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:09:41,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34 treesize of output 39 [2023-11-24 22:09:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:42,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344178440] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:09:42,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 22:09:42,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 18] total 51 [2023-11-24 22:09:42,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252658822] [2023-11-24 22:09:42,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 22:09:42,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-11-24 22:09:42,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:09:42,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-11-24 22:09:42,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1857, Unknown=10, NotChecked=558, Total=2652 [2023-11-24 22:09:42,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:42,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:09:42,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 4.9411764705882355) internal successors, (252), 52 states have internal predecessors, (252), 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) [2023-11-24 22:09:42,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:42,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:42,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:42,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-24 22:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 22:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-24 22:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:09:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:09:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:09:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-24 22:09:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-24 22:09:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-24 22:09:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-24 22:09:47,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:09:47,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:09:47,880 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 22:09:47,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:09:47,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1017901236, now seen corresponding path program 4 times [2023-11-24 22:09:47,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:09:47,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186020307] [2023-11-24 22:09:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:09:47,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:09:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:09:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:49,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:09:49,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186020307] [2023-11-24 22:09:49,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186020307] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:09:49,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571109059] [2023-11-24 22:09:49,033 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-24 22:09:49,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:09:49,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:09:49,035 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:09:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb38e9a-00ba-46b0-ad02-4aa4c6d3c37a/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 22:09:49,309 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-24 22:09:49,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:09:49,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-24 22:09:49,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:09:49,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-24 22:09:49,707 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-24 22:09:49,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 15 [2023-11-24 22:09:50,391 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-24 22:09:50,392 INFO L378 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-24 22:09:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:50,401 INFO L378 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 24 treesize of output 11 [2023-11-24 22:09:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:50,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-24 22:09:50,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:50,939 INFO L378 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 16 treesize of output 11 [2023-11-24 22:09:50,971 INFO L378 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 [2023-11-24 22:09:51,387 INFO L378 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 7 treesize of output 3 [2023-11-24 22:09:51,404 INFO L378 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 25 treesize of output 13 [2023-11-24 22:09:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:51,489 INFO L378 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 16 treesize of output 11 [2023-11-24 22:09:51,524 INFO L378 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 19 treesize of output 18 [2023-11-24 22:09:51,683 INFO L378 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 26 treesize of output 28 [2023-11-24 22:09:51,814 INFO L378 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 33 treesize of output 38 [2023-11-24 22:09:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:51,942 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:51,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:51,975 INFO L378 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 37 treesize of output 26 [2023-11-24 22:09:52,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:52,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 48 [2023-11-24 22:09:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:09:52,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2023-11-24 22:09:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:09:52,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:09:53,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:09:53,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 141 [2023-11-24 22:09:54,165 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse3 (+ c_~datas~0.offset 3 .cse7))) (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem18#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) (.cse2 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet8|))) (.cse4 (+ |c_ULTIMATE.start_main_~#tids~0#1.offset| 1)) (.cse5 (+ 3 |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_ArrVal_610 Int)) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse0 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_ArrVal_610))) c_~datas~0.base) .cse3))) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_prenex_2 Int)) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (let ((.cse6 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse6 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse6 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_prenex_2))) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse7)))) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_prenex_3 Int)) (= (select (select (let ((.cse8 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse8 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse8 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_prenex_3))) c_~datas~0.base) (+ c_~datas~0.offset .cse7)) |c_threadThread1of1ForFork0_#t~nondet8|)) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_prenex_1 Int)) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (let ((.cse9 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse9 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse9 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_prenex_1))) c_~datas~0.base) (+ c_~datas~0.offset .cse7 1)))) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))))))) is different from false [2023-11-24 22:09:54,256 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse3 (+ c_~datas~0.offset 2 .cse7)) (.cse9 (+ c_~datas~0.offset 3 .cse7))) (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem18#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) (.cse2 (store |c_#race| c_~datas~0.base (store (store (select |c_#race| c_~datas~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet8|) .cse9 |c_threadThread1of1ForFork0_#t~nondet8|))) (.cse4 (+ |c_ULTIMATE.start_main_~#tids~0#1.offset| 1)) (.cse5 (+ 3 |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_prenex_2 Int)) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse0 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_prenex_2))) c_~datas~0.base) .cse3))) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_prenex_3 Int)) (= (select (select (let ((.cse6 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse6 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse6 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_prenex_3))) c_~datas~0.base) (+ c_~datas~0.offset .cse7)) |c_threadThread1of1ForFork0_#t~nondet8|)) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_ArrVal_610 Int)) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (let ((.cse8 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse8 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse8 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_ArrVal_610))) c_~datas~0.base) .cse9))) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (forall ((v_prenex_1 Int)) (= |c_threadThread1of1ForFork0_#t~nondet8| (select (select (let ((.cse10 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_arrayElimArr_6))) (store .cse10 |c_ULTIMATE.start_main_#t~mem18#1.base| (store (select .cse10 |c_ULTIMATE.start_main_#t~mem18#1.base|) .cse1 v_prenex_1))) c_~datas~0.base) (+ c_~datas~0.offset .cse7 1)))) (not (= (select v_arrayElimArr_6 .cse4) 0)) (not (= (select v_arrayElimArr_6 .cse5) 0)))))))) is different from false