/usr/bin/java -Xmx16000000000 -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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:24:16,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:24:16,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:24:16,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:24:16,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:24:16,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:24:16,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:24:16,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:24:16,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:24:16,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:24:16,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:24:16,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:24:16,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:24:16,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:24:16,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:24:16,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:24:16,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:24:16,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:24:16,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:24:16,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:24:16,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:24:16,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:24:16,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:24:16,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:24:16,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 14:24:16,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 14:24:16,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 14:24:16,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 14:24:16,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 14:24:16,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 14:24:16,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:24:16,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:24:16,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:24:16,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:24:16,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:24:16,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:24:16,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:24:16,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:24:16,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:24:16,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:24:16,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:24:16,112 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-SemanticLbe.epf [2021-03-11 14:24:16,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:24:16,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:24:16,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:24:16,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:24:16,153 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:24:16,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:24:16,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:24:16,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:24:16,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:24:16,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:24:16,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:24:16,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:24:16,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:24:16,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:24:16,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:24:16,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:24:16,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:24:16,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:24:16,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:24:16,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:24:16,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:24:16,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:24:16,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:24:16,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:24:16,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:24:16,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:24:16,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:24:16,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:24:16,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:24:16,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:24:16,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:24:16,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:24:16,454 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 14:24:16,455 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 14:24:16,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_16.bpl [2021-03-11 14:24:16,456 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_16.bpl' [2021-03-11 14:24:16,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:24:16,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 14:24:16,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:24:16,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:24:16,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:24:16,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:24:16,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:24:16,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:24:16,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:24:16,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/1) ... [2021-03-11 14:24:16,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:24:16,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:24:16,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:24:16,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:24:16,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (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 [2021-03-11 14:24:16,638 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2021-03-11 14:24:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2021-03-11 14:24:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2021-03-11 14:24:16,640 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2021-03-11 14:24:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2021-03-11 14:24:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2021-03-11 14:24:16,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-11 14:24:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-11 14:24:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-11 14:24:16,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-11 14:24:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-11 14:24:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-11 14:24:16,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-11 14:24:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-11 14:24:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-11 14:24:16,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-11 14:24:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-11 14:24:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-11 14:24:16,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-11 14:24:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-11 14:24:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-11 14:24:16,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-03-11 14:24:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-03-11 14:24:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-03-11 14:24:16,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-11 14:24:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:24:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:24:16,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2021-03-11 14:24:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2021-03-11 14:24:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2021-03-11 14:24:16,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-11 14:24:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-11 14:24:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-11 14:24:16,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2021-03-11 14:24:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2021-03-11 14:24:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2021-03-11 14:24:16,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-11 14:24:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-11 14:24:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-11 14:24:16,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-03-11 14:24:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-03-11 14:24:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-03-11 14:24:16,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-11 14:24:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-11 14:24:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-11 14:24:16,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-03-11 14:24:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-03-11 14:24:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-03-11 14:24:16,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-03-11 14:24:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-03-11 14:24:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-03-11 14:24:16,649 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 14:24:16,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:24:16,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 14:24:16,887 INFO L202 PluginConnector]: Adding new model example_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:24:16 BoogieIcfgContainer [2021-03-11 14:24:16,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:24:16,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:24:16,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:24:16,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:24:16,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:24:16" (1/2) ... [2021-03-11 14:24:16,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a92d53 and model type example_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:24:16, skipping insertion in model container [2021-03-11 14:24:16,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:24:16" (2/2) ... [2021-03-11 14:24:16,909 INFO L111 eAbstractionObserver]: Analyzing ICFG example_16.bpl [2021-03-11 14:24:16,922 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 14:24:16,922 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:24:16,925 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 14:24:16,926 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 14:24:17,213 INFO L149 ThreadInstanceAdder]: Constructed 256 joinOtherThreadTransitions. [2021-03-11 14:24:17,230 INFO L253 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-03-11 14:24:17,265 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:24:17,265 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:24:17,265 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:24:17,265 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:24:17,265 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:24:17,266 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:24:17,266 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:24:17,266 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:24:17,296 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 14:24:17,311 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 323 transitions, 1494 flow [2021-03-11 14:24:17,317 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 323 transitions, 1494 flow [2021-03-11 14:24:17,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 323 transitions, 1494 flow [2021-03-11 14:24:57,508 INFO L129 PetriNetUnfolder]: 458753/524339 cut-off events. [2021-03-11 14:24:57,508 INFO L130 PetriNetUnfolder]: For 524288/524288 co-relation queries the response was YES. [2021-03-11 14:25:01,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1048676 conditions, 524339 events. 458753/524339 cut-off events. For 524288/524288 co-relation queries the response was YES. Maximal size of possible extension queue 13495. Compared 2150347 event pairs, 0 based on Foata normal form. 0/524338 useless extension candidates. Maximal degree in co-relation 491597. Up to 102960 conditions per place. [2021-03-11 14:25:13,662 INFO L116 LiptonReduction]: Number of co-enabled transitions 15840 [2021-03-11 14:25:14,031 INFO L131 LiptonReduction]: Checked pairs total: 97080 [2021-03-11 14:25:14,031 INFO L133 LiptonReduction]: Total number of compositions: 17 [2021-03-11 14:25:14,039 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 306 transitions, 1460 flow Received shutdown request... [2021-03-11 14:38:31,730 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-11 14:38:31,733 WARN L224 ceAbstractionStarter]: Timeout [2021-03-11 14:38:31,733 INFO L202 PluginConnector]: Adding new model example_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:38:31 BasicIcfg [2021-03-11 14:38:31,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:38:31,739 INFO L168 Benchmark]: Toolchain (without parser) took 855229.90 ms. Allocated memory was 255.9 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 236.2 MB in the beginning and 11.4 GB in the end (delta: -11.2 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2021-03-11 14:38:31,740 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:38:31,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.58 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:38:31,741 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:38:31,741 INFO L168 Benchmark]: RCFGBuilder took 328.75 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 231.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.0 GB. [2021-03-11 14:38:31,742 INFO L168 Benchmark]: TraceAbstraction took 854845.05 ms. Allocated memory was 255.9 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 230.6 MB in the beginning and 11.4 GB in the end (delta: -11.2 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2021-03-11 14:38:31,744 INFO L339 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.58 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.12 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 328.75 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 231.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 854845.05 ms. Allocated memory was 255.9 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 230.6 MB in the beginning and 11.4 GB in the end (delta: -11.2 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56714.5ms, 132 PlacesBefore, 115 PlacesAfterwards, 323 TransitionsBefore, 306 TransitionsAfterwards, 15840 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 17 TotalNumberOfCompositions, 97080 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 97080, positive: 97080, positive conditional: 0, positive unconditional: 97080, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8265, positive: 8265, positive conditional: 0, positive unconditional: 8265, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8265, positive: 8265, positive conditional: 0, positive unconditional: 8265, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97080, positive: 88815, positive conditional: 0, positive unconditional: 88815, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8265, unknown conditional: 0, unknown unconditional: 8265] , Statistics on independence cache: Total cache size (in pairs): 3960, Positive cache size: 3960, Positive conditional cache size: 0, Positive unconditional cache size: 3960, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 45). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 115 places, 306 transitions, 1460 flow. Already constructed 522884 states. Currently 286372 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 854471.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 854464.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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