./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW --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 bdf6537ef41e6e97eaabcf1f32a2477c3eb925663d5b8e717e1252d54a113bc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:48:00,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:48:00,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-17 22:48:00,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:48:00,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:48:00,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:48:00,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:48:00,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:48:00,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:48:00,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:48:00,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:48:00,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:48:00,228 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:48:00,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:48:00,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:48:00,231 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:48:00,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:48:00,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:48:00,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:48:00,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:48:00,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:48:00,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:48:00,235 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-17 22:48:00,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:48:00,238 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:48:00,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:48:00,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:48:00,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:48:00,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:48:00,241 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 22:48:00,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:48:00,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:00,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:48:00,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:48:00,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:48:00,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:48:00,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:48:00,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:48:00,245 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:48:00,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:48:00,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:48:00,246 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:48:00,247 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:48:00,247 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_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdf6537ef41e6e97eaabcf1f32a2477c3eb925663d5b8e717e1252d54a113bc0 [2023-11-17 22:48:00,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:48:00,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:48:00,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:48:00,615 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:48:00,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:48:00,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-race.i [2023-11-17 22:48:04,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:48:04,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:48:04,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/sv-benchmarks/c/pthread-race-challenges/per-thread-struct-race.i [2023-11-17 22:48:04,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/data/72d610220/1489696a53a44319acdadeae45d785bf/FLAGe5c6f889c [2023-11-17 22:48:04,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/data/72d610220/1489696a53a44319acdadeae45d785bf [2023-11-17 22:48:04,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:48:04,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:48:04,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:04,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:48:04,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:48:04,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:04" (1/1) ... [2023-11-17 22:48:04,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70668e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:04, skipping insertion in model container [2023-11-17 22:48:04,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:04" (1/1) ... [2023-11-17 22:48:04,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:48:05,039 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:48:05,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:48:05,450 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:48:05,469 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:48:05,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:48:05,574 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 22:48:05,583 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:48:05,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05 WrapperNode [2023-11-17 22:48:05,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:05,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:48:05,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:48:05,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:48:05,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,680 INFO L138 Inliner]: procedures = 266, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-17 22:48:05,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:48:05,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:48:05,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:48:05,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:48:05,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:48:05,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:48:05,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:48:05,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:48:05,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (1/1) ... [2023-11-17 22:48:05,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:05,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:05,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:48:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:48:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:48:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 22:48:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:48:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 22:48:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:48:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:48:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 22:48:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-17 22:48:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-17 22:48:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:48:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:48:05,857 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 22:48:06,024 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:48:06,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:48:06,355 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:48:06,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:48:06,368 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 22:48:06,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:48:06 BoogieIcfgContainer [2023-11-17 22:48:06,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:48:06,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:48:06,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:48:06,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:48:06,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:48:04" (1/3) ... [2023-11-17 22:48:06,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d067943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:48:06, skipping insertion in model container [2023-11-17 22:48:06,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:05" (2/3) ... [2023-11-17 22:48:06,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d067943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:48:06, skipping insertion in model container [2023-11-17 22:48:06,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:48:06" (3/3) ... [2023-11-17 22:48:06,383 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-struct-race.i [2023-11-17 22:48:06,394 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 22:48:06,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:48:06,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-17 22:48:06,408 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 22:48:06,478 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-17 22:48:06,537 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:48:06,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 22:48:06,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:06,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 22:48:06,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 22:48:06,598 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 22:48:06,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2023-11-17 22:48:06,622 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;@5bbe157c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:48:06,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 22:48:06,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:06,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:06,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1571089579, now seen corresponding path program 1 times [2023-11-17 22:48:06,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:06,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217631775] [2023-11-17 22:48:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:06,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:07,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:07,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217631775] [2023-11-17 22:48:07,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217631775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:48:07,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:48:07,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:48:07,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7454129] [2023-11-17 22:48:07,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:48:07,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 22:48:07,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:07,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 22:48:07,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 22:48:07,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:07,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:07,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:48:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:07,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 22:48:07,373 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:07,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:07,374 INFO L85 PathProgramCache]: Analyzing trace with hash -141094382, now seen corresponding path program 1 times [2023-11-17 22:48:07,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:07,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081974915] [2023-11-17 22:48:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:08,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:08,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081974915] [2023-11-17 22:48:08,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081974915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:48:08,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:48:08,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 22:48:08,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750831543] [2023-11-17 22:48:08,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:48:08,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 22:48:08,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:08,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 22:48:08,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-17 22:48:08,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:08,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:08,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) [2023-11-17 22:48:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:08,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 22:48:08,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:08,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash -238611113, now seen corresponding path program 1 times [2023-11-17 22:48:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:08,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710870486] [2023-11-17 22:48:08,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:08,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:10,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:10,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710870486] [2023-11-17 22:48:10,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710870486] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:48:10,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146754677] [2023-11-17 22:48:10,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:10,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:10,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:10,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:48:10,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 22:48:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:10,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-17 22:48:10,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:48:10,478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 22:48:10,522 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 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-17 22:48:10,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:10,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-17 22:48:10,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:10,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-17 22:48:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:10,980 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 43 treesize of output 32 [2023-11-17 22:48:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:10,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:48:11,041 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_147 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)))) (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-11-17 22:48:11,285 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_147 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)))) (forall ((v_ArrVal_147 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) .cse1))) (forall ((v_ArrVal_147 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)))) (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-17 22:48:11,323 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_147) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-17 22:48:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2023-11-17 22:48:13,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146754677] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:48:13,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:48:13,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2023-11-17 22:48:13,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354131420] [2023-11-17 22:48:13,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:48:13,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-17 22:48:13,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:13,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-17 22:48:13,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=709, Unknown=3, NotChecked=168, Total=992 [2023-11-17 22:48:13,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:13,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:13,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.193548387096774) internal successors, (130), 32 states have internal predecessors, (130), 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) [2023-11-17 22:48:13,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:13,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:13,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 22:48:14,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 22:48:15,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:15,048 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:15,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:15,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1588163627, now seen corresponding path program 1 times [2023-11-17 22:48:15,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:15,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691907271] [2023-11-17 22:48:15,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:15,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:16,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:16,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691907271] [2023-11-17 22:48:16,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691907271] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:48:16,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261212505] [2023-11-17 22:48:16,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:16,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:16,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:16,749 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:48:16,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 22:48:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:16,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-17 22:48:16,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:48:16,962 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 [2023-11-17 22:48:17,088 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-17 22:48:17,089 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 [2023-11-17 22:48:17,436 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-17 22:48:17,437 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 34 treesize of output 33 [2023-11-17 22:48:17,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:17,651 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 [2023-11-17 22:48:17,682 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 [2023-11-17 22:48:17,775 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 21 treesize of output 20 [2023-11-17 22:48:17,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:17,869 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 30 treesize of output 32 [2023-11-17 22:48:17,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:17,988 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 39 treesize of output 44 [2023-11-17 22:48:18,400 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 [2023-11-17 22:48:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:18,497 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 43 treesize of output 32 [2023-11-17 22:48:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:18,527 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 43 treesize of output 32 [2023-11-17 22:48:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:18,560 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 43 treesize of output 32 [2023-11-17 22:48:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:18,626 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 43 treesize of output 32 [2023-11-17 22:48:18,679 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 43 treesize of output 32 [2023-11-17 22:48:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:18,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:48:18,879 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) |c_ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) |c_ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) |c_ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) |c_ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-11-17 22:48:18,961 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse0 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)))) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse0 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)))) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse0 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse0 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-11-17 22:48:19,144 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-17 22:48:19,171 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse3 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset))) (forall ((v_ArrVal_249 (Array Int Int)) (v_ArrVal_248 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_248) .cse1 v_ArrVal_249) c_threadThread1of1ForFork0_~t~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-17 22:48:19,714 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 92 treesize of output 64 [2023-11-17 22:48:19,727 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 [2023-11-17 22:48:19,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:19,898 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 35 treesize of output 40 [2023-11-17 22:48:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-17 22:48:19,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261212505] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:48:19,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:48:19,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 43 [2023-11-17 22:48:19,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067869853] [2023-11-17 22:48:19,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:48:19,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-11-17 22:48:19,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:19,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-11-17 22:48:20,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1393, Unknown=16, NotChecked=316, Total=1892 [2023-11-17 22:48:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:20,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:20,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 3.395348837209302) internal successors, (146), 44 states have internal predecessors, (146), 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) [2023-11-17 22:48:20,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:20,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:20,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 22:48:20,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 22:48:23,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 22:48:23,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 22:48:23,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:23,242 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:23,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1517717019, now seen corresponding path program 2 times [2023-11-17 22:48:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:23,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138885435] [2023-11-17 22:48:23,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:23,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:24,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:24,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138885435] [2023-11-17 22:48:24,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138885435] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:48:24,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987941834] [2023-11-17 22:48:24,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 22:48:24,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:24,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:24,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:48:24,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace8641d-0c40-4eb7-8409-efefdb9b0b83/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 22:48:24,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 22:48:24,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 22:48:24,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-17 22:48:24,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:48:24,979 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 [2023-11-17 22:48:25,113 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-17 22:48:25,114 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 [2023-11-17 22:48:25,515 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-17 22:48:25,515 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 [2023-11-17 22:48:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:25,525 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 [2023-11-17 22:48:25,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:25,792 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 [2023-11-17 22:48:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:25,819 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 [2023-11-17 22:48:25,856 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 [2023-11-17 22:48:25,950 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 21 treesize of output 20 [2023-11-17 22:48:26,067 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 30 treesize of output 32 [2023-11-17 22:48:26,614 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 [2023-11-17 22:48:26,620 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 15 treesize of output 7 [2023-11-17 22:48:26,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:26,747 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 34 treesize of output 25 [2023-11-17 22:48:26,797 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 39 treesize of output 44 [2023-11-17 22:48:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:27,006 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 43 treesize of output 32 [2023-11-17 22:48:27,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:27,047 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 43 treesize of output 32 [2023-11-17 22:48:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:27,097 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 43 treesize of output 32 [2023-11-17 22:48:27,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2023-11-17 22:48:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:27,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:48:27,565 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem13#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse3 (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_352 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse4 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse4 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)))))) is different from false [2023-11-17 22:48:27,656 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem13#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) (.cse2 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse3 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse5 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse5 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse5 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse6 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse6 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse6 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-17 22:48:27,696 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem13#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) (.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse3 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse4 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse4 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse4 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse5 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse5 |c_ULTIMATE.start_main_#t~mem13#1.base|) .cse1 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-11-17 22:48:27,806 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse3 (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| .cse2) 0))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse5 .cse1 (store (select .cse5 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| .cse2) 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse6 .cse1 (store (select .cse6 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| .cse2) 0))) c_threadThread1of1ForFork0_~t~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse7 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse7 .cse1 (store (select .cse7 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| .cse2) 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))))) is different from false [2023-11-17 22:48:30,001 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~1#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse4 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse4 .cse1 (store (select .cse4 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~1#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse5 .cse1 (store (select .cse5 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~1#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~1#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse6 .cse1 (store (select .cse6 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))))))) is different from false [2023-11-17 22:48:32,867 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (+ 2 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse3 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~1#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~1#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse5 .cse1 (store (select .cse5 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) .cse6) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~1#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse7 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse7 .cse1 (store (select .cse7 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~1#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse4 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse8 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse8 .cse1 (store (select .cse8 .cse1) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))))))))) is different from false [2023-11-17 22:48:35,012 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ c_threadThread1of1ForFork0_~t~0.offset 1)) (.cse8 (+ 2 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse3 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse5 |c_threadThread1of1ForFork0_#t~nondet4|) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse4 (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) (.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~1#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse1 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) .cse5) |c_threadThread1of1ForFork0_#t~nondet4|)))))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~1#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse6 .cse2 (store (select .cse6 .cse2) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)))))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse7 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse7 .cse2 (store (select .cse7 .cse2) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) .cse8))) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~1#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~1#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_348 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (= (select (select (let ((.cse9 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_348) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_352))) (store .cse9 .cse2 (store (select .cse9 .cse2) (+ |v_ULTIMATE.start_main_#t~mem13#1.offset_13| (* |v_ULTIMATE.start_main_~i~1#1_17| 4)) 0))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~1#1_17|)))))) is different from false [2023-11-17 22:48:35,140 INFO L349 Elim1Store]: treesize reduction 31, result has 62.2 percent of original size [2023-11-17 22:48:35,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 1086 treesize of output 896 [2023-11-17 22:48:35,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:35,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 408 treesize of output 374 [2023-11-17 22:48:35,227 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 149 treesize of output 145 [2023-11-17 22:48:35,248 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 249 treesize of output 233 [2023-11-17 22:48:35,537 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:35,574 INFO L349 Elim1Store]: treesize reduction 58, result has 29.3 percent of original size [2023-11-17 22:48:35,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 336 treesize of output 263 [2023-11-17 22:48:35,600 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 106 treesize of output 102 [2023-11-17 22:48:35,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:35,611 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 194 treesize of output 168 [2023-11-17 22:48:35,662 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:35,694 INFO L349 Elim1Store]: treesize reduction 58, result has 29.3 percent of original size [2023-11-17 22:48:35,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 247 [2023-11-17 22:48:35,714 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:35,718 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 166 treesize of output 142 [2023-11-17 22:48:35,737 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 85 treesize of output 83 [2023-11-17 22:48:35,786 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:35,798 INFO L349 Elim1Store]: treesize reduction 81, result has 1.2 percent of original size [2023-11-17 22:48:35,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 212 treesize of output 1 [2023-11-17 22:48:36,976 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 93 treesize of output 77 [2023-11-17 22:48:36,984 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 68 treesize of output 64 [2023-11-17 22:48:36,988 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 75 [2023-11-17 22:48:36,993 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 75 treesize of output 73 [2023-11-17 22:48:37,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:37,200 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 [2023-11-17 22:48:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-17 22:48:37,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987941834] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:48:37,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:48:37,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 20] total 53 [2023-11-17 22:48:37,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562303708] [2023-11-17 22:48:37,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:48:37,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-11-17 22:48:37,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:37,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-11-17 22:48:37,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1973, Unknown=14, NotChecked=672, Total=2862 [2023-11-17 22:48:37,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:37,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:37,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 2.9622641509433962) internal successors, (157), 54 states have internal predecessors, (157), 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) [2023-11-17 22:48:37,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:37,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:37,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 22:48:37,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 22:48:37,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:41,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-17 22:48:44,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-17 22:48:46,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-17 22:48:50,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]