/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 00:01:10,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 00:01:10,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 00:01:10,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 00:01:10,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 00:01:10,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 00:01:10,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 00:01:10,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 00:01:10,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 00:01:10,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 00:01:10,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 00:01:10,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 00:01:10,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 00:01:10,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 00:01:10,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 00:01:10,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 00:01:10,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 00:01:10,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 00:01:10,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 00:01:10,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 00:01:10,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 00:01:10,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 00:01:10,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 00:01:10,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 00:01:10,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 00:01:10,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 00:01:10,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 00:01:10,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 00:01:10,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 00:01:10,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 00:01:10,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 00:01:10,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 00:01:10,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 00:01:10,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 00:01:10,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 00:01:10,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 00:01:10,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 00:01:10,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 00:01:10,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 00:01:10,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 00:01:10,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 00:01:10,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-11 00:01:10,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 00:01:10,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 00:01:10,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 00:01:10,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 00:01:10,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 00:01:10,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 00:01:10,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 00:01:10,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 00:01:10,808 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 00:01:10,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 00:01:10,809 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 00:01:10,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 00:01:10,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 00:01:10,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 00:01:10,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 00:01:10,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 00:01:10,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 00:01:10,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 00:01:10,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 00:01:10,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 00:01:10,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 00:01:10,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 00:01:10,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 00:01:10,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 00:01:10,812 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 00:01:10,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 00:01:10,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 00:01:11,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 00:01:11,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 00:01:11,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 00:01:11,097 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-11 00:01:11,100 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-11 00:01:11,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl [2022-02-11 00:01:11,101 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl' [2022-02-11 00:01:11,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 00:01:11,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-11 00:01:11,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 00:01:11,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 00:01:11,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 00:01:11,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,153 INFO L137 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-11 00:01:11,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 00:01:11,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 00:01:11,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 00:01:11,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 00:01:11,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 00:01:11,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 00:01:11,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 00:01:11,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 00:01:11,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/1) ... [2022-02-11 00:01:11,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 00:01:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 00:01:11,204 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) [2022-02-11 00:01:11,217 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 [2022-02-11 00:01:11,244 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2022-02-11 00:01:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2022-02-11 00:01:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2022-02-11 00:01:11,245 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2022-02-11 00:01:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2022-02-11 00:01:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2022-02-11 00:01:11,245 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2022-02-11 00:01:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2022-02-11 00:01:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2022-02-11 00:01:11,246 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2022-02-11 00:01:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2022-02-11 00:01:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2022-02-11 00:01:11,246 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-02-11 00:01:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-02-11 00:01:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-02-11 00:01:11,246 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-02-11 00:01:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-02-11 00:01:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-02-11 00:01:11,246 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-02-11 00:01:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-02-11 00:01:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-02-11 00:01:11,247 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-02-11 00:01:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-02-11 00:01:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-02-11 00:01:11,247 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-02-11 00:01:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-02-11 00:01:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-02-11 00:01:11,247 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-02-11 00:01:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-02-11 00:01:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-02-11 00:01:11,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-11 00:01:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 00:01:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 00:01:11,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-02-11 00:01:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-02-11 00:01:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-02-11 00:01:11,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-02-11 00:01:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-02-11 00:01:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-02-11 00:01:11,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-02-11 00:01:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-02-11 00:01:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-02-11 00:01:11,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-02-11 00:01:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-02-11 00:01:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-02-11 00:01:11,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-02-11 00:01:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-02-11 00:01:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-02-11 00:01:11,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-02-11 00:01:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-02-11 00:01:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-02-11 00:01:11,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-02-11 00:01:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-02-11 00:01:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-02-11 00:01:11,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-02-11 00:01:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-02-11 00:01:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-02-11 00:01:11,251 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 00:01:11,300 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 00:01:11,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 00:01:11,460 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 00:01:11,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 00:01:11,468 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 00:01:11,470 INFO L202 PluginConnector]: Adding new model example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 12:01:11 BoogieIcfgContainer [2022-02-11 00:01:11,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 00:01:11,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 00:01:11,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 00:01:11,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 00:01:11,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:01:11" (1/2) ... [2022-02-11 00:01:11,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b116901 and model type example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 12:01:11, skipping insertion in model container [2022-02-11 00:01:11,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 12:01:11" (2/2) ... [2022-02-11 00:01:11,484 INFO L112 eAbstractionObserver]: Analyzing ICFG example_18.bpl [2022-02-11 00:01:11,489 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 00:01:11,489 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 00:01:11,490 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 00:01:11,490 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 00:01:11,752 INFO L148 ThreadInstanceAdder]: Constructed 324 joinOtherThreadTransitions. [2022-02-11 00:01:11,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-11 00:01:11,831 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 00:01:11,832 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2022-02-11 00:01:11,857 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 148 places, 399 transitions, 1860 flow