/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:29:59,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:29:59,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:29:59,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:29:59,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:29:59,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:29:59,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:29:59,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:29:59,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:29:59,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:29:59,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:29:59,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:29:59,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:29:59,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:29:59,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:29:59,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:29:59,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:29:59,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:29:59,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:29:59,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:29:59,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:29:59,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:29:59,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:29:59,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:29:59,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:29:59,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:29:59,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:29:59,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:29:59,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:29:59,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:29:59,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:29:59,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:29:59,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:29:59,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:29:59,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:29:59,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:29:59,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:29:59,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:29:59,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:29:59,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:29:59,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:29:59,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-29 10:29:59,941 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:29:59,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:29:59,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:29:59,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:29:59,943 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:29:59,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:29:59,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:29:59,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:29:59,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:29:59,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:29:59,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:29:59,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:29:59,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:29:59,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:29:59,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:29:59,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:29:59,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:29:59,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:29:59,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:29:59,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:29:59,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:30:00,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:30:00,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:30:00,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:30:00,529 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:30:00,530 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:30:00,532 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl [2020-09-29 10:30:00,532 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl' [2020-09-29 10:30:00,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:30:00,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:30:00,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:30:00,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:30:00,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:30:00,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:30:00,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:30:00,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:30:00,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:30:00,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (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 [2020-09-29 10:30:00,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:30:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:30:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:30:00,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:30:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:30:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:30:00,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 10:30:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 10:30:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 10:30:00,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:30:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:30:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:30:00,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:30:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:30:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:30:00,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:30:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:30:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:30:00,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:30:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:30:00,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:30:00,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:30:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:30:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:30:00,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:30:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:30:00,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:30:00,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:30:00,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:30:00,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:30:00,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:30:00,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:30:00,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:30:00,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:30:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:30:00,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:30:00,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:30:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:30:00,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:30:00,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:30:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:30:00,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:30:00,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:30:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:30:00,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:30:00,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:30:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:30:00,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:30:00,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:30:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:30:00,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:30:00,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:30:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:30:00,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:30:00,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:30:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:30:00,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:30:00,827 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:30:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:30:00,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:30:00,830 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 10:30:01,143 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:30:01,143 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-09-29 10:30:01,149 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:01 BoogieIcfgContainer [2020-09-29 10:30:01,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:30:01,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:30:01,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:30:01,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:30:01,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/2) ... [2020-09-29 10:30:01,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efc8de1 and model type example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:30:01, skipping insertion in model container [2020-09-29 10:30:01,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:01" (2/2) ... [2020-09-29 10:30:01,160 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=19.bpl [2020-09-29 10:30:01,172 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:30:01,172 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:30:01,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:30:01,187 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:30:01,646 INFO L251 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-09-29 10:30:01,678 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:30:01,678 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:30:01,678 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:30:01,678 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:30:01,679 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:30:01,679 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:30:01,679 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:30:01,679 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:30:01,716 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 99 transitions, 350 flow [2020-09-29 10:30:01,719 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 99 transitions, 350 flow [2020-09-29 10:30:01,832 INFO L129 PetriNetUnfolder]: 19/80 cut-off events. [2020-09-29 10:30:01,832 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-09-29 10:30:01,845 INFO L80 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 80 events. 19/80 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2020-09-29 10:30:01,852 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 99 transitions, 350 flow [2020-09-29 10:30:01,918 INFO L129 PetriNetUnfolder]: 19/80 cut-off events. [2020-09-29 10:30:01,919 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-09-29 10:30:01,925 INFO L80 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 80 events. 19/80 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2020-09-29 10:30:01,930 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2736 [2020-09-29 10:30:01,933 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:30:02,044 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:30:02,044 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:30:02,049 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 137 places, 98 transitions, 348 flow Received shutdown request... [2020-09-29 10:43:25,327 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 10:43:25,332 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 10:43:25,333 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:43:25 BasicIcfg [2020-09-29 10:43:25,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 10:43:25,340 INFO L168 Benchmark]: Toolchain (without parser) took 804733.77 ms. Allocated memory was 141.0 MB in the beginning and 5.9 GB in the end (delta: 5.8 GB). Free memory was 120.2 MB in the beginning and 699.3 MB in the end (delta: -579.1 MB). Peak memory consumption was 5.4 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:25,341 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-09-29 10:43:25,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.01 ms. Allocated memory is still 141.0 MB. Free memory was 119.8 MB in the beginning and 118.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:25,343 INFO L168 Benchmark]: Boogie Preprocessor took 37.76 ms. Allocated memory is still 141.0 MB. Free memory was 118.1 MB in the beginning and 116.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:25,344 INFO L168 Benchmark]: RCFGBuilder took 453.56 ms. Allocated memory is still 141.0 MB. Free memory was 116.4 MB in the beginning and 97.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:25,345 INFO L168 Benchmark]: TraceAbstraction took 804182.31 ms. Allocated memory was 141.0 MB in the beginning and 5.9 GB in the end (delta: 5.8 GB). Free memory was 96.9 MB in the beginning and 702.1 MB in the end (delta: -605.2 MB). Peak memory consumption was 5.4 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:25,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.01 ms. Allocated memory is still 141.0 MB. Free memory was 119.8 MB in the beginning and 118.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.76 ms. Allocated memory is still 141.0 MB. Free memory was 118.1 MB in the beginning and 116.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 453.56 ms. Allocated memory is still 141.0 MB. Free memory was 116.4 MB in the beginning and 97.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 804182.31 ms. Allocated memory was 141.0 MB in the beginning and 5.9 GB in the end (delta: 5.8 GB). Free memory was 96.9 MB in the beginning and 702.1 MB in the end (delta: -605.2 MB). Peak memory consumption was 5.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 138 ProgramPointsBefore, 137 ProgramPointsAfterwards, 99 TransitionsBefore, 98 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 48). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 137 places, 98 transitions, 348 flow. Already constructed 532769 states. Currently 166324 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 803.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 803.6s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown