/usr/bin/java -Xmx16000000000 -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=22.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:35:41,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:35:41,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:35:41,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:35:41,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:35:41,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:35:41,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:35:41,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:35:41,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:35:41,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:35:41,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:35:41,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:35:41,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:35:41,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:35:41,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:35:41,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:35:41,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:35:41,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:35:41,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:35:41,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:35:41,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:35:41,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:35:41,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:35:41,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:35:41,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:35:41,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:35:41,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:35:41,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:35:41,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:35:41,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:35:41,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:35:41,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:35:41,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:35:41,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:35:41,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:35:41,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:35:41,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:35:41,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:35:41,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:35:41,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:35:41,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:35:41,630 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 [2020-10-06 18:35:41,652 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:35:41,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:35:41,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:35:41,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:35:41,654 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:35:41,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:35:41,654 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:35:41,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:35:41,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:35:41,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:35:41,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:35:41,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:35:41,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:35:41,656 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:35:41,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:35:41,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:35:41,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:35:41,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:35:41,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:35:41,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:35:41,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:35:41,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:35:41,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:35:41,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:35:41,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:35:41,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:35:41,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:35:41,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:35:41,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:35:41,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:35:41,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:35:41,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:35:41,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:35:41,993 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:35:41,994 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:35:41,994 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=22.bpl [2020-10-06 18:35:41,995 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=22.bpl' [2020-10-06 18:35:42,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:35:42,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:35:42,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:42,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:35:42,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:35:42,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:42,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:35:42,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:35:42,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:35:42,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/1) ... [2020-10-06 18:35:42,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:35:42,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:35:42,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:35:42,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:35:42,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (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 [2020-10-06 18:35:42,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:35:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:35:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:35:42,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:35:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:35:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:35:42,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:35:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:35:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:35:42,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:35:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:35:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:35:42,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:35:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:35:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:35:42,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:35:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:35:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:35:42,185 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:35:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:35:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:35:42,185 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:35:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:35:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:35:42,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:35:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:35:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:35:42,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:35:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:35:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:35:42,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:35:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:35:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:35:42,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:35:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:35:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:35:42,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:35:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:35:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:35:42,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:35:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:35:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:35:42,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:35:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:35:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:35:42,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:35:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:35:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:35:42,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:35:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:35:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:35:42,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:35:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:35:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:35:42,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:35:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:35:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:35:42,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:35:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:35:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:35:42,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:35:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:35:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:35:42,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:35:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:35:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:35:42,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:35:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:35:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:35:42,196 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:35:42,712 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:35:42,712 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-06 18:35:42,714 INFO L202 PluginConnector]: Adding new model example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:42 BoogieIcfgContainer [2020-10-06 18:35:42,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:35:42,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:35:42,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:35:42,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:35:42,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:42" (1/2) ... [2020-10-06 18:35:42,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44403a54 and model type example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:35:42, skipping insertion in model container [2020-10-06 18:35:42,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:42" (2/2) ... [2020-10-06 18:35:42,725 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=22.bpl [2020-10-06 18:35:42,737 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:35:42,738 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:35:42,745 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:35:42,746 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:35:43,063 INFO L253 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2020-10-06 18:35:43,087 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:35:43,087 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:35:43,087 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:35:43,087 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:35:43,088 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:35:43,088 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:35:43,088 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:35:43,088 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:35:43,108 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:35:43,112 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 136 transitions, 448 flow [2020-10-06 18:35:43,115 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 136 transitions, 448 flow [2020-10-06 18:35:43,117 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 181 places, 136 transitions, 448 flow [2020-10-06 18:35:43,217 INFO L129 PetriNetUnfolder]: 22/114 cut-off events. [2020-10-06 18:35:43,218 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2020-10-06 18:35:43,238 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 114 events. 22/114 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 179 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 129. Up to 2 conditions per place. [2020-10-06 18:35:43,250 INFO L117 LiptonReduction]: Number of co-enabled transitions 6930 [2020-10-06 18:35:43,872 INFO L132 LiptonReduction]: Checked pairs total: 10857 [2020-10-06 18:35:43,872 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:35:43,879 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 134 transitions, 444 flow Received shutdown request... [2020-10-06 18:49:23,149 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:49:23,154 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:49:23,155 INFO L202 PluginConnector]: Adding new model example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:49:23 BasicIcfg [2020-10-06 18:49:23,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:49:23,167 INFO L168 Benchmark]: Toolchain (without parser) took 821112.57 ms. Allocated memory was 250.6 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 226.1 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,169 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 250.6 MB. Free memory is still 227.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:49:23,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.49 ms. Allocated memory is still 250.6 MB. Free memory was 226.1 MB in the beginning and 224.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,171 INFO L168 Benchmark]: Boogie Preprocessor took 35.29 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,173 INFO L168 Benchmark]: RCFGBuilder took 594.97 ms. Allocated memory is still 250.6 MB. Free memory was 222.8 MB in the beginning and 198.2 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,175 INFO L168 Benchmark]: TraceAbstraction took 820439.24 ms. Allocated memory was 250.6 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 197.3 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,183 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 0.19 ms. Allocated memory is still 250.6 MB. Free memory is still 227.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 38.49 ms. Allocated memory is still 250.6 MB. Free memory was 226.1 MB in the beginning and 224.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.29 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 594.97 ms. Allocated memory is still 250.6 MB. Free memory was 222.8 MB in the beginning and 198.2 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 820439.24 ms. Allocated memory was 250.6 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 197.3 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2446 VarBasedMoverChecksPositive, 105 VarBasedMoverChecksNegative, 64 SemBasedMoverChecksPositive, 41 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 2454 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 181 PlacesBefore, 179 PlacesAfterwards, 136 TransitionsBefore, 134 TransitionsAfterwards, 6930 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 10857 MoverChecksTotal - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 54). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 179 places, 134 transitions, 444 flow. Already constructed 788295 states. Currently 394150 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 820.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 820.0s, 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