/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 02:49:13,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 02:49:13,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 02:49:13,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 02:49:13,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 02:49:13,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 02:49:13,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 02:49:13,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 02:49:13,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 02:49:13,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 02:49:13,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 02:49:13,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 02:49:13,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 02:49:13,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 02:49:13,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 02:49:13,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 02:49:13,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 02:49:13,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 02:49:13,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 02:49:13,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 02:49:13,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 02:49:13,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 02:49:13,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 02:49:13,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 02:49:13,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 02:49:13,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 02:49:13,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 02:49:13,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 02:49:13,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 02:49:13,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 02:49:13,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 02:49:13,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 02:49:13,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 02:49:13,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 02:49:13,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 02:49:13,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 02:49:13,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 02:49:13,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 02:49:13,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 02:49:13,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 02:49:13,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 02:49:13,685 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-POR-None-NoLbe.epf [2021-06-13 02:49:13,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 02:49:13,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 02:49:13,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 02:49:13,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 02:49:13,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 02:49:13,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 02:49:13,722 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 02:49:13,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 02:49:13,722 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 02:49:13,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 02:49:13,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 02:49:13,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 02:49:13,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 02:49:13,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 02:49:13,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 02:49:13,724 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 02:49:13,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 02:49:13,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 02:49:13,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 02:49:13,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 02:49:13,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 02:49:13,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 02:49:13,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 02:49:13,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 02:49:13,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 02:49:13,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 02:49:13,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 02:49:13,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 02:49:13,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 02:49:13,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 02:49:13,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 02:49:13,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 02:49:13,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 02:49:14,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 02:49:14,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 02:49:14,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 02:49:14,031 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 02:49:14,033 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 02:49:14,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2021-06-13 02:49:14,034 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2021-06-13 02:49:14,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 02:49:14,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 02:49:14,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 02:49:14,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 02:49:14,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 02:49:14,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 02:49:14,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 02:49:14,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 02:49:14,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 02:49:14,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/1) ... [2021-06-13 02:49:14,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 02:49:14,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 02:49:14,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 02:49:14,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 02:49:14,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (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 [2021-06-13 02:49:14,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2021-06-13 02:49:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2021-06-13 02:49:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2021-06-13 02:49:14,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2021-06-13 02:49:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2021-06-13 02:49:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2021-06-13 02:49:14,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2021-06-13 02:49:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2021-06-13 02:49:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2021-06-13 02:49:14,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2021-06-13 02:49:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2021-06-13 02:49:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2021-06-13 02:49:14,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2021-06-13 02:49:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2021-06-13 02:49:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2021-06-13 02:49:14,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2021-06-13 02:49:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2021-06-13 02:49:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2021-06-13 02:49:14,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-06-13 02:49:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-06-13 02:49:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-06-13 02:49:14,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-06-13 02:49:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-06-13 02:49:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-06-13 02:49:14,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-06-13 02:49:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-06-13 02:49:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-06-13 02:49:14,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-06-13 02:49:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-06-13 02:49:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-06-13 02:49:14,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-06-13 02:49:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-06-13 02:49:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-06-13 02:49:14,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-06-13 02:49:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-06-13 02:49:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-06-13 02:49:14,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 02:49:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 02:49:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 02:49:14,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2021-06-13 02:49:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2021-06-13 02:49:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2021-06-13 02:49:14,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-06-13 02:49:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-06-13 02:49:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-06-13 02:49:14,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2021-06-13 02:49:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2021-06-13 02:49:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2021-06-13 02:49:14,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-06-13 02:49:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-06-13 02:49:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-06-13 02:49:14,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-06-13 02:49:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-06-13 02:49:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-06-13 02:49:14,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-06-13 02:49:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-06-13 02:49:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-06-13 02:49:14,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-06-13 02:49:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-06-13 02:49:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-06-13 02:49:14,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-06-13 02:49:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-06-13 02:49:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-06-13 02:49:14,184 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 02:49:14,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 02:49:14,454 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 02:49:14,456 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 02:49:14 BoogieIcfgContainer [2021-06-13 02:49:14,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 02:49:14,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 02:49:14,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 02:49:14,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 02:49:14,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 02:49:14" (1/2) ... [2021-06-13 02:49:14,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e880ca and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 02:49:14, skipping insertion in model container [2021-06-13 02:49:14,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 02:49:14" (2/2) ... [2021-06-13 02:49:14,462 INFO L111 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2021-06-13 02:49:14,466 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 02:49:14,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 02:49:14,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 02:49:14,467 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 02:49:15,029 INFO L149 ThreadInstanceAdder]: Constructed 400 joinOtherThreadTransitions. [2021-06-13 02:49:15,049 INFO L255 AbstractCegarLoop]: Starting to check reachability of 21 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 02:49:15,100 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 02:49:15,101 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 02:49:15,101 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 02:49:15,101 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 02:49:15,101 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 02:49:15,101 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 02:49:15,101 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 02:49:15,101 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 02:49:15,128 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 164 places, 483 transitions, 2266 flow Received shutdown request... [2021-06-13 02:59:52,284 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 02:59:52,290 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 02:59:52,292 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 02:59:52,292 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 02:59:52 BasicIcfg [2021-06-13 02:59:52,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 02:59:52,294 INFO L168 Benchmark]: Toolchain (without parser) took 638224.13 ms. Allocated memory was 197.1 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 175.8 MB in the beginning and 121.4 MB in the end (delta: 54.4 MB). Peak memory consumption was 3.8 GB. Max. memory is 8.0 GB. [2021-06-13 02:59:52,294 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 197.1 MB. Free memory is still 176.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 02:59:52,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.54 ms. Allocated memory is still 197.1 MB. Free memory was 175.6 MB in the beginning and 174.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 02:59:52,296 INFO L168 Benchmark]: Boogie Preprocessor took 15.35 ms. Allocated memory is still 197.1 MB. Free memory was 174.1 MB in the beginning and 173.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 02:59:52,296 INFO L168 Benchmark]: RCFGBuilder took 341.60 ms. Allocated memory is still 197.1 MB. Free memory was 172.9 MB in the beginning and 154.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-06-13 02:59:52,297 INFO L168 Benchmark]: TraceAbstraction took 637834.86 ms. Allocated memory was 197.1 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 154.4 MB in the beginning and 121.4 MB in the end (delta: 33.0 MB). Peak memory consumption was 3.8 GB. Max. memory is 8.0 GB. [2021-06-13 02:59:52,300 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 0.13 ms. Allocated memory is still 197.1 MB. Free memory is still 176.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.54 ms. Allocated memory is still 197.1 MB. Free memory was 175.6 MB in the beginning and 174.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.35 ms. Allocated memory is still 197.1 MB. Free memory was 174.1 MB in the beginning and 173.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 341.60 ms. Allocated memory is still 197.1 MB. Free memory was 172.9 MB in the beginning and 154.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 637834.86 ms. Allocated memory was 197.1 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 154.4 MB in the beginning and 121.4 MB in the end (delta: 33.0 MB). Peak memory consumption was 3.8 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 164 places, 483 transitions, 2266 flow. Already constructed 646566 states. Currently 295035 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 41 procedures, 184 locations, 21 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 637225.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 637182.7ms, 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