/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/gemcutter/svcomp-DataRace-32bit-GemCutter_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-wmm/mix032.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.race-resolution-378d3e9 [2022-11-18 13:38:45,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 13:38:45,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 13:38:45,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 13:38:45,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 13:38:45,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 13:38:45,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 13:38:45,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 13:38:45,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 13:38:45,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 13:38:45,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 13:38:45,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 13:38:45,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 13:38:45,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 13:38:45,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 13:38:45,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 13:38:45,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 13:38:45,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 13:38:45,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 13:38:45,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 13:38:45,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 13:38:45,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 13:38:45,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 13:38:45,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 13:38:45,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 13:38:45,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 13:38:45,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 13:38:45,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 13:38:45,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 13:38:45,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 13:38:45,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 13:38:45,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 13:38:45,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 13:38:45,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 13:38:45,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 13:38:45,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 13:38:45,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 13:38:45,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 13:38:45,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 13:38:45,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 13:38:45,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 13:38:45,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/gemcutter/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-18 13:38:45,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 13:38:45,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 13:38:45,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 13:38:45,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 13:38:45,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 13:38:45,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 13:38:45,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 13:38:45,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 13:38:45,576 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 13:38:45,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 13:38:45,577 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 13:38:45,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 13:38:45,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 13:38:45,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 13:38:45,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 13:38:45,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 13:38:45,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 13:38:45,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 13:38:45,578 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 13:38:45,578 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 13:38:45,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 13:38:45,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 13:38:45,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 13:38:45,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 13:38:45,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 13:38:45,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 13:38:45,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 13:38:45,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 13:38:45,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 13:38:45,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 13:38:45,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 13:38:45,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 13:38:45,580 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 13:38:45,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-18 13:38:45,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 13:38:45,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 13:38:45,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 13:38:45,787 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 13:38:45,788 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 13:38:45,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix032.opt.i [2022-11-18 13:38:45,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29aa14d5c/9ce2afb790724bb19b3b6c250b462410/FLAGf6102e20f [2022-11-18 13:38:46,242 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 13:38:46,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix032.opt.i [2022-11-18 13:38:46,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29aa14d5c/9ce2afb790724bb19b3b6c250b462410/FLAGf6102e20f [2022-11-18 13:38:46,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29aa14d5c/9ce2afb790724bb19b3b6c250b462410 [2022-11-18 13:38:46,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 13:38:46,616 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-18 13:38:46,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 13:38:46,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 13:38:46,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 13:38:46,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:38:46" (1/1) ... [2022-11-18 13:38:46,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec0cf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:46, skipping insertion in model container [2022-11-18 13:38:46,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:38:46" (1/1) ... [2022-11-18 13:38:46,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 13:38:46,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 13:38:46,881 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix032.opt.i[944,957] [2022-11-18 13:38:47,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 13:38:47,143 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 13:38:47,156 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix032.opt.i[944,957] [2022-11-18 13:38:47,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 13:38:47,270 INFO L208 MainTranslator]: Completed translation [2022-11-18 13:38:47,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47 WrapperNode [2022-11-18 13:38:47,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 13:38:47,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 13:38:47,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 13:38:47,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 13:38:47,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,360 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 517 [2022-11-18 13:38:47,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 13:38:47,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 13:38:47,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 13:38:47,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 13:38:47,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 13:38:47,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 13:38:47,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 13:38:47,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 13:38:47,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (1/1) ... [2022-11-18 13:38:47,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 13:38:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-18 13:38:47,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 13:38:47,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 13:38:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 13:38:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 13:38:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 13:38:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 13:38:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 13:38:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-18 13:38:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-18 13:38:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-18 13:38:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-18 13:38:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-18 13:38:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-18 13:38:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 13:38:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 13:38:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 13:38:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 13:38:47,533 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 13:38:47,715 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 13:38:47,717 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 13:38:48,781 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 13:41:39,074 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 13:41:39,074 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 13:41:39,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:39 BoogieIcfgContainer [2022-11-18 13:41:39,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 13:41:39,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 13:41:39,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 13:41:39,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 13:41:39,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:38:46" (1/3) ... [2022-11-18 13:41:39,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49162b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:39, skipping insertion in model container [2022-11-18 13:41:39,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:38:47" (2/3) ... [2022-11-18 13:41:39,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49162b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:39, skipping insertion in model container [2022-11-18 13:41:39,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:39" (3/3) ... [2022-11-18 13:41:39,092 INFO L112 eAbstractionObserver]: Analyzing ICFG mix032.opt.i [2022-11-18 13:41:39,099 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 13:41:39,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 13:41:39,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 197 error locations. [2022-11-18 13:41:39,108 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 13:41:59,377 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 13:41:59,415 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 13:41:59,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 13:41:59,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-18 13:41:59,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 13:41:59,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 13:41:59,474 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 13:41:59,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2022-11-18 13:41:59,490 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@419ce1d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 13:41:59,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2022-11-18 13:44:18,904 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 13:44:18,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 13:44:18,911 INFO L85 PathProgramCache]: Analyzing trace with hash -734496084, now seen corresponding path program 1 times [2022-11-18 13:44:18,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 13:44:18,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294246237] [2022-11-18 13:44:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 13:44:18,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 13:44:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 13:44:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 13:44:20,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 13:44:20,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294246237] [2022-11-18 13:44:20,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294246237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 13:44:20,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 13:44:20,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 13:44:20,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923145788] [2022-11-18 13:44:20,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 13:44:20,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 13:44:20,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 13:44:20,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 13:44:20,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 13:44:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 13:44:20,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 13:44:20,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 13:44:20,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 13:44:47,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 13:44:47,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2022-11-18 13:44:47,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2022-11-18 13:44:47,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2022-11-18 13:44:47,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2022-11-18 13:44:47,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2022-11-18 13:44:47,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2022-11-18 13:44:47,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2022-11-18 13:44:47,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err7ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2022-11-18 13:44:47,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err8ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2022-11-18 13:44:47,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err9ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2022-11-18 13:44:47,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err10ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2022-11-18 13:44:47,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err11ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2022-11-18 13:44:47,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err12ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2022-11-18 13:44:47,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err13ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2022-11-18 13:44:47,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err14ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2022-11-18 13:44:47,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err15ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2022-11-18 13:44:47,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err16ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2022-11-18 13:44:47,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err17ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2022-11-18 13:44:47,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err18ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2022-11-18 13:44:47,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err19ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2022-11-18 13:44:47,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err20ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2022-11-18 13:44:47,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err21ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2022-11-18 13:44:47,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err22ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2022-11-18 13:44:47,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err23ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2022-11-18 13:44:47,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err24ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2022-11-18 13:44:47,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err25ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2022-11-18 13:44:47,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err26ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2022-11-18 13:44:47,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err27ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2022-11-18 13:44:47,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err28ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2022-11-18 13:44:47,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err29ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2022-11-18 13:44:47,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err30ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2022-11-18 13:44:47,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err31ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2022-11-18 13:44:47,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err32ASSERT_VIOLATIONDATA_RACE (19 of 52 remaining) [2022-11-18 13:44:47,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err33ASSERT_VIOLATIONDATA_RACE (18 of 52 remaining) [2022-11-18 13:44:47,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err34ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2022-11-18 13:44:47,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err35ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2022-11-18 13:44:47,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err36ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2022-11-18 13:44:47,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err37ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2022-11-18 13:44:47,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err38ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2022-11-18 13:44:47,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err39ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2022-11-18 13:44:47,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err40ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2022-11-18 13:44:47,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err41ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2022-11-18 13:44:47,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err42ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2022-11-18 13:44:47,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err43ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2022-11-18 13:44:47,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err44ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2022-11-18 13:44:47,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err45ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2022-11-18 13:44:47,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err46ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2022-11-18 13:44:47,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err47ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2022-11-18 13:44:47,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err48ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2022-11-18 13:44:47,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err49ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2022-11-18 13:44:47,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err50ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2022-11-18 13:44:47,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err51ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2022-11-18 13:44:47,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 13:44:47,247 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 13:44:47,249 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/4) [2022-11-18 13:44:47,268 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 13:44:47,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 13:44:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-18 13:44:47,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 13:44:47,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-18 13:44:47,279 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 13:44:47,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2022-11-18 13:44:47,280 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@419ce1d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 13:44:47,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2022-11-18 13:47:05,223 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONDATA_RACE === [P1Err0ASSERT_VIOLATIONDATA_RACE, P1Err1ASSERT_VIOLATIONDATA_RACE, P1Err2ASSERT_VIOLATIONDATA_RACE, P1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2022-11-18 13:47:05,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 13:47:05,224 INFO L85 PathProgramCache]: Analyzing trace with hash 411896219, now seen corresponding path program 1 times [2022-11-18 13:47:05,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 13:47:05,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982961780] [2022-11-18 13:47:05,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 13:47:05,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 13:47:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 13:47:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 13:47:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 13:47:06,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982961780] [2022-11-18 13:47:06,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982961780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 13:47:06,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 13:47:06,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 13:47:06,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527133558] [2022-11-18 13:47:06,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 13:47:06,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 13:47:06,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 13:47:06,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 13:47:06,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 13:47:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 13:47:06,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 13:47:06,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 13:47:06,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.