/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-MCR.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-abd8500 [2020-01-16 23:28:06,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 23:28:06,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 23:28:06,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-01-16 23:28:06,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-01-16 23:28:06,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-01-16 23:28:06,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-01-16 23:28:06,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-01-16 23:28:06,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-01-16 23:28:06,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-01-16 23:28:06,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-01-16 23:28:06,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-01-16 23:28:06,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-01-16 23:28:06,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-01-16 23:28:06,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-01-16 23:28:06,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-01-16 23:28:06,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-01-16 23:28:06,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-01-16 23:28:06,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-01-16 23:28:06,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-01-16 23:28:06,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-01-16 23:28:06,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-01-16 23:28:06,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-01-16 23:28:06,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-01-16 23:28:06,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-01-16 23:28:06,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-01-16 23:28:06,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-01-16 23:28:06,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-01-16 23:28:06,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-01-16 23:28:06,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-01-16 23:28:06,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-01-16 23:28:06,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-01-16 23:28:06,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-01-16 23:28:06,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-01-16 23:28:06,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-01-16 23:28:06,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-01-16 23:28:06,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-01-16 23:28:06,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-01-16 23:28:06,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-01-16 23:28:06,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-01-16 23:28:06,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-01-16 23:28:06,894 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-PN-NoLbe-MCR.epf [2020-01-16 23:28:06,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 23:28:06,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 23:28:06,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 23:28:06,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 23:28:06,919 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 23:28:06,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 23:28:06,919 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 23:28:06,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 23:28:06,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 23:28:06,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 23:28:06,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 23:28:06,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 23:28:06,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 23:28:06,921 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 23:28:06,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 23:28:06,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 23:28:06,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 23:28:06,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 23:28:06,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 23:28:06,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 23:28:06,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 23:28:06,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 23:28:06,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 23:28:06,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 23:28:06,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 23:28:06,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 23:28:06,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 23:28:06,926 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-01-16 23:28:06,926 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-01-16 23:28:06,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-01-16 23:28:06,926 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-01-16 23:28:06,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 23:28:07,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 23:28:07,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 23:28:07,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 23:28:07,208 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 23:28:07,209 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 23:28:07,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl [2020-01-16 23:28:07,210 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl' [2020-01-16 23:28:07,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 23:28:07,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 23:28:07,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 23:28:07,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 23:28:07,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 23:28:07,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 23:28:07,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 23:28:07,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 23:28:07,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 23:28:07,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... [2020-01-16 23:28:07,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 23:28:07,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 23:28:07,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 23:28:07,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 23:28:07,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 23:28:07,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-01-16 23:28:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-01-16 23:28:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-01-16 23:28:07,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-01-16 23:28:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-01-16 23:28:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-01-16 23:28:07,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-01-16 23:28:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-01-16 23:28:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-01-16 23:28:07,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-01-16 23:28:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-01-16 23:28:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-01-16 23:28:07,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 23:28:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 23:28:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 23:28:07,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 23:28:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 23:28:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 23:28:07,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 23:28:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 23:28:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 23:28:07,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 23:28:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 23:28:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 23:28:07,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 23:28:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 23:28:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 23:28:07,374 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-01-16 23:28:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-01-16 23:28:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-01-16 23:28:07,375 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 23:28:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 23:28:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 23:28:07,375 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-01-16 23:28:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-01-16 23:28:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-01-16 23:28:07,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 23:28:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 23:28:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 23:28:07,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-01-16 23:28:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-01-16 23:28:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-01-16 23:28:07,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 23:28:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 23:28:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 23:28:07,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-01-16 23:28:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-01-16 23:28:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-01-16 23:28:07,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-01-16 23:28:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-01-16 23:28:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-01-16 23:28:07,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-01-16 23:28:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-01-16 23:28:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-01-16 23:28:07,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-01-16 23:28:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-01-16 23:28:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-01-16 23:28:07,381 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-01-16 23:28:07,676 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 23:28:07,676 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 23:28:07,678 INFO L202 PluginConnector]: Adding new model example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 11:28:07 BoogieIcfgContainer [2020-01-16 23:28:07,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 23:28:07,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 23:28:07,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 23:28:07,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 23:28:07,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:28:07" (1/2) ... [2020-01-16 23:28:07,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e9a4f1 and model type example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 11:28:07, skipping insertion in model container [2020-01-16 23:28:07,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 11:28:07" (2/2) ... [2020-01-16 23:28:07,686 INFO L109 eAbstractionObserver]: Analyzing ICFG example_18.bpl [2020-01-16 23:28:07,696 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 23:28:07,703 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 23:28:07,704 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 23:28:08,281 INFO L250 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2020-01-16 23:28:08,316 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 23:28:08,316 INFO L375 AbstractCegarLoop]: Hoare is false [2020-01-16 23:28:08,316 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 23:28:08,316 INFO L377 AbstractCegarLoop]: Backedges is MCR [2020-01-16 23:28:08,317 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 23:28:08,317 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 23:28:08,317 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 23:28:08,317 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown