./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:41:23,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:41:23,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:41:23,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:41:23,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:41:23,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:41:23,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:41:23,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:41:23,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:41:23,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:41:23,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:41:23,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:41:23,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:41:23,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:41:23,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:41:23,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:41:23,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:41:23,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:41:23,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:41:23,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:41:23,677 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:41:23,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:41:23,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:41:23,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:41:23,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:41:23,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:41:23,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:41:23,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:41:23,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:41:23,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:41:23,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:41:23,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:41:23,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:41:23,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:41:23,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:41:23,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:41:23,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:41:23,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:41:23,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:41:23,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:41:23,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:41:23,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:41:23,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:41:23,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:41:23,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:41:23,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:41:23,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:41:23,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:41:23,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:41:23,735 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:41:23,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:41:23,735 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:41:23,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:41:23,736 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:41:23,737 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:41:23,737 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:41:23,737 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:41:23,737 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:41:23,737 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:41:23,738 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:41:23,738 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:41:23,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:41:23,739 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:41:23,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:41:23,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:41:23,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:41:23,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:41:23,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:41:23,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:41:23,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:41:23,742 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:41:23,742 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:41:23,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:41:23,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:41:23,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:41:23,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:41:23,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:41:23,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:41:23,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:41:23,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:41:23,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:41:23,744 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:41:23,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:41:23,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:41:23,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:41:23,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:41:23,745 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 [2022-04-18 19:41:23,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:41:24,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:41:24,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:41:24,016 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:41:24,017 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:41:24,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i [2022-04-18 19:41:24,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d9354de6a/432ba950cb8b4fd9afbe22f8ae2a62c9/FLAGe60fe1718 [2022-04-18 19:41:24,556 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:41:24,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i [2022-04-18 19:41:24,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d9354de6a/432ba950cb8b4fd9afbe22f8ae2a62c9/FLAGe60fe1718 [2022-04-18 19:41:24,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d9354de6a/432ba950cb8b4fd9afbe22f8ae2a62c9 [2022-04-18 19:41:24,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:41:24,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:41:24,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:41:24,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:41:24,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:41:24,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:41:24" (1/1) ... [2022-04-18 19:41:24,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4a3a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:24, skipping insertion in model container [2022-04-18 19:41:24,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:41:24" (1/1) ... [2022-04-18 19:41:24,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:41:24,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:41:25,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i[944,957] [2022-04-18 19:41:25,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:41:25,362 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:41:25,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i[944,957] [2022-04-18 19:41:25,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:41:25,491 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:41:25,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25 WrapperNode [2022-04-18 19:41:25,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:41:25,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:41:25,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:41:25,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:41:25,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,595 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 988 [2022-04-18 19:41:25,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:41:25,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:41:25,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:41:25,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:41:25,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:41:25,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:41:25,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:41:25,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:41:25,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (1/1) ... [2022-04-18 19:41:25,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:41:25,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:41:25,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 19:41:25,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 19:41:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:41:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:41:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:41:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:41:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:41:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 19:41:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 19:41:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 19:41:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 19:41:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 19:41:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 19:41:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 19:41:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 19:41:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:41:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:41:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:41:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:41:25,755 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 19:41:25,912 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:41:25,913 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:41:27,052 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:42:50,386 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:42:50,387 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 19:42:50,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:42:50 BoogieIcfgContainer [2022-04-18 19:42:50,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:42:50,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:42:50,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:42:50,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:42:50,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:41:24" (1/3) ... [2022-04-18 19:42:50,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448466a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:42:50, skipping insertion in model container [2022-04-18 19:42:50,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:41:25" (2/3) ... [2022-04-18 19:42:50,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448466a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:42:50, skipping insertion in model container [2022-04-18 19:42:50,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:42:50" (3/3) ... [2022-04-18 19:42:50,404 INFO L111 eAbstractionObserver]: Analyzing ICFG mix044.opt.i [2022-04-18 19:42:50,408 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:42:50,408 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:42:50,408 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 227 error locations. [2022-04-18 19:42:50,408 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.