/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/FischerWithBug.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:09:56,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:09:56,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:09:56,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-13 00:09:56,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-13 00:09:56,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-13 00:09:56,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-13 00:09:56,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-13 00:09:56,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-13 00:09:56,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-13 00:09:56,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-13 00:09:56,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-13 00:09:56,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-13 00:09:56,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-13 00:09:56,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-13 00:09:56,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-13 00:09:56,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-13 00:09:56,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-13 00:09:56,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-13 00:09:56,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-13 00:09:56,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-13 00:09:56,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-13 00:09:56,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-13 00:09:56,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-13 00:09:56,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-13 00:09:56,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-13 00:09:56,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-13 00:09:56,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-13 00:09:56,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-13 00:09:56,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-13 00:09:56,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-13 00:09:56,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-13 00:09:56,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-13 00:09:56,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-13 00:09:56,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-13 00:09:56,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-13 00:09:56,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-13 00:09:56,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-13 00:09:56,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:09:56,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:09:56,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:09:56,481 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-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:09:56,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:09:56,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:09:56,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:09:56,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:09:56,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:09:56,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:09:56,498 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:09:56,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:09:56,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:09:56,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:09:56,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:09:56,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:09:56,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:09:56,500 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:09:56,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:09:56,500 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:09:56,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:09:56,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:09:56,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:09:56,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:09:56,739 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 00:09:56,740 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 00:09:56,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/FischerWithBug.bpl [2021-03-13 00:09:56,741 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/FischerWithBug.bpl' [2021-03-13 00:09:56,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:09:56,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 00:09:56,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:09:56,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:09:56,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:09:56,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:56,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:56,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:09:56,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:09:56,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:09:56,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:09:57,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:57,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:57,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:57,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:57,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:57,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:57,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/1) ... [2021-03-13 00:09:57,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:09:57,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:09:57,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:09:57,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:09:57,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (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 [2021-03-13 00:09:57,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process2 given in one single declaration [2021-03-13 00:09:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure Process2 [2021-03-13 00:09:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Process2 [2021-03-13 00:09:57,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2021-03-13 00:09:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2021-03-13 00:09:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2021-03-13 00:09:57,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 00:09:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:09:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:09:57,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Clock given in one single declaration [2021-03-13 00:09:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure Clock [2021-03-13 00:09:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure Clock [2021-03-13 00:09:57,078 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:09:57,215 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:09:57,215 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-03-13 00:09:57,216 INFO L202 PluginConnector]: Adding new model FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:09:57 BoogieIcfgContainer [2021-03-13 00:09:57,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:09:57,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:09:57,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:09:57,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:09:57,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:09:56" (1/2) ... [2021-03-13 00:09:57,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb376d6 and model type FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:09:57, skipping insertion in model container [2021-03-13 00:09:57,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:09:57" (2/2) ... [2021-03-13 00:09:57,221 INFO L111 eAbstractionObserver]: Analyzing ICFG FischerWithBug.bpl [2021-03-13 00:09:57,225 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:09:57,225 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:09:57,227 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-13 00:09:57,228 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:09:57,244 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,245 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,246 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,246 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,246 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,246 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,246 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,247 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,248 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,248 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,248 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,249 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,249 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,249 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,249 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,249 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,260 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,261 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:09:57,262 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-13 00:09:57,281 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 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 [2021-03-13 00:09:57,336 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:09:57,336 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:09:57,336 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:09:57,336 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:09:57,336 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:09:57,336 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:09:57,337 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:09:57,337 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:09:57,345 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:09:57,345 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 46 transitions, 107 flow [2021-03-13 00:09:57,347 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 46 transitions, 107 flow [2021-03-13 00:09:57,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 46 transitions, 107 flow [2021-03-13 00:09:57,368 INFO L129 PetriNetUnfolder]: 5/43 cut-off events. [2021-03-13 00:09:57,368 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-13 00:09:57,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 43 events. 5/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 109 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-03-13 00:09:57,373 INFO L116 LiptonReduction]: Number of co-enabled transitions 818 [2021-03-13 00:09:57,755 INFO L131 LiptonReduction]: Checked pairs total: 1516 [2021-03-13 00:09:57,755 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-13 00:09:57,820 INFO L428 AbstractCegarLoop]: === Iteration 1 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:57,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:57,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1395544425, now seen corresponding path program 1 times [2021-03-13 00:09:57,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:57,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098801073] [2021-03-13 00:09:57,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:09:57,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098801073] [2021-03-13 00:09:57,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:57,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 00:09:57,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138676838] [2021-03-13 00:09:57,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-13 00:09:57,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:57,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-13 00:09:57,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-13 00:09:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:57,913 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:57,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:57,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:57,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:57,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:09:57,939 INFO L428 AbstractCegarLoop]: === Iteration 2 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:57,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:57,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1472856521, now seen corresponding path program 1 times [2021-03-13 00:09:57,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:57,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874933576] [2021-03-13 00:09:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:09:57,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874933576] [2021-03-13 00:09:57,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:57,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-13 00:09:57,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120466720] [2021-03-13 00:09:57,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:09:57,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:57,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:09:57,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:09:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:57,988 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:57,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:57,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:57,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 00:09:58,057 INFO L428 AbstractCegarLoop]: === Iteration 3 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash 984993699, now seen corresponding path program 1 times [2021-03-13 00:09:58,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:58,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437482989] [2021-03-13 00:09:58,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 00:09:58,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437482989] [2021-03-13 00:09:58,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:58,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:09:58,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910051677] [2021-03-13 00:09:58,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:09:58,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:58,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:09:58,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:09:58,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,080 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:58,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:58,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 00:09:58,110 INFO L428 AbstractCegarLoop]: === Iteration 4 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:58,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:58,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1369741631, now seen corresponding path program 1 times [2021-03-13 00:09:58,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:58,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493486904] [2021-03-13 00:09:58,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:09:58,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493486904] [2021-03-13 00:09:58,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:58,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:09:58,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894145047] [2021-03-13 00:09:58,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:09:58,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:58,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:09:58,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:09:58,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,130 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:58,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:58,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-13 00:09:58,230 INFO L428 AbstractCegarLoop]: === Iteration 5 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:58,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:58,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2023909575, now seen corresponding path program 2 times [2021-03-13 00:09:58,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:58,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141671608] [2021-03-13 00:09:58,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:09:58,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141671608] [2021-03-13 00:09:58,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:58,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:09:58,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894841098] [2021-03-13 00:09:58,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:09:58,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:58,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:09:58,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:09:58,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,252 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:58,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:58,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-13 00:09:58,301 INFO L428 AbstractCegarLoop]: === Iteration 6 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:58,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash -354513972, now seen corresponding path program 1 times [2021-03-13 00:09:58,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:58,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977382091] [2021-03-13 00:09:58,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:09:58,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977382091] [2021-03-13 00:09:58,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:58,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:09:58,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86399944] [2021-03-13 00:09:58,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:09:58,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:58,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:09:58,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:09:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,320 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:58,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-13 00:09:58,380 INFO L428 AbstractCegarLoop]: === Iteration 7 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:58,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:58,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1956640481, now seen corresponding path program 2 times [2021-03-13 00:09:58,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:58,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219783395] [2021-03-13 00:09:58,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:09:58,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219783395] [2021-03-13 00:09:58,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:58,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:09:58,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645518582] [2021-03-13 00:09:58,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 00:09:58,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:58,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 00:09:58,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-13 00:09:58,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,399 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:58,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:58,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:09:58,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-13 00:09:58,460 INFO L428 AbstractCegarLoop]: === Iteration 8 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:58,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:58,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1924521918, now seen corresponding path program 1 times [2021-03-13 00:09:58,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:58,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803506907] [2021-03-13 00:09:58,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:09:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:09:58,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803506907] [2021-03-13 00:09:58,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:09:58,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:09:58,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947768796] [2021-03-13 00:09:58,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 00:09:58,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:09:58,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 00:09:58,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-13 00:09:58,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,490 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:09:58,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:09:58,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:09:58,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:09:58,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-13 00:09:58,547 INFO L428 AbstractCegarLoop]: === Iteration 9 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-13 00:09:58,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:09:58,547 INFO L82 PathProgramCache]: Analyzing trace with hash 458516561, now seen corresponding path program 2 times [2021-03-13 00:09:58,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:09:58,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988952872] [2021-03-13 00:09:58,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:09:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-13 00:09:58,552 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-13 00:09:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-13 00:09:58,556 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-13 00:09:58,566 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-13 00:09:58,566 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-13 00:09:58,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-13 00:09:58,614 INFO L202 PluginConnector]: Adding new model FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:09:58 BasicIcfg [2021-03-13 00:09:58,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:09:58,618 INFO L168 Benchmark]: Toolchain (without parser) took 1664.28 ms. Allocated memory is still 381.7 MB. Free memory was 362.0 MB in the beginning and 363.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 180.8 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:58,619 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 381.7 MB. Free memory was 363.1 MB in the beginning and 363.0 MB in the end (delta: 84.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:09:58,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.25 ms. Allocated memory is still 381.7 MB. Free memory was 361.4 MB in the beginning and 360.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:09:58,619 INFO L168 Benchmark]: Boogie Preprocessor took 15.91 ms. Allocated memory is still 381.7 MB. Free memory was 360.0 MB in the beginning and 359.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:58,619 INFO L168 Benchmark]: RCFGBuilder took 202.51 ms. Allocated memory is still 381.7 MB. Free memory was 359.0 MB in the beginning and 346.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:58,619 INFO L168 Benchmark]: TraceAbstraction took 1396.69 ms. Allocated memory is still 381.7 MB. Free memory was 346.1 MB in the beginning and 363.2 MB in the end (delta: -17.1 MB). Peak memory consumption was 164.0 MB. Max. memory is 16.0 GB. [2021-03-13 00:09:58,620 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 0.12 ms. Allocated memory is still 381.7 MB. Free memory was 363.1 MB in the beginning and 363.0 MB in the end (delta: 84.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.25 ms. Allocated memory is still 381.7 MB. Free memory was 361.4 MB in the beginning and 360.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.91 ms. Allocated memory is still 381.7 MB. Free memory was 360.0 MB in the beginning and 359.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 202.51 ms. Allocated memory is still 381.7 MB. Free memory was 359.0 MB in the beginning and 346.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1396.69 ms. Allocated memory is still 381.7 MB. Free memory was 346.1 MB in the beginning and 363.2 MB in the end (delta: -17.1 MB). Peak memory consumption was 164.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 409.1ms, 51 PlacesBefore, 39 PlacesAfterwards, 46 TransitionsBefore, 34 TransitionsAfterwards, 818 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1516 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 712, positive: 634, positive conditional: 0, positive unconditional: 634, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 410, positive: 374, positive conditional: 0, positive unconditional: 374, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 410, positive: 352, positive conditional: 0, positive unconditional: 352, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 712, positive: 260, positive conditional: 0, positive unconditional: 260, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 410, unknown conditional: 0, unknown unconditional: 410] , Statistics on independence cache: Total cache size (in pairs): 175, Positive cache size: 147, Positive conditional cache size: 0, Positive unconditional cache size: 147, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3288, positive: 2492, positive conditional: 2492, positive unconditional: 0, negative: 796, negative conditional: 796, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2722, positive: 2492, positive conditional: 2492, positive unconditional: 0, negative: 230, negative conditional: 230, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2722, positive: 2447, positive conditional: 0, positive unconditional: 2447, negative: 275, negative conditional: 0, negative unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 212, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 212, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2722, positive: 2258, positive conditional: 0, positive unconditional: 2258, negative: 252, negative conditional: 0, negative unconditional: 252, unknown: 212, unknown conditional: 0, unknown unconditional: 212] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213, SemanticConditionEliminator.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1452, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1407, negative conditional: 194, negative unconditional: 1213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 62, negative conditional: 39, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 51, positive conditional: 21, positive unconditional: 30, negative: 195, negative conditional: 113, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1452, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 1368, negative conditional: 155, negative unconditional: 1213, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 197, Positive conditional cache size: 8, Positive unconditional cache size: 189, Negative cache size: 62, Negative conditional cache size: 39, Negative unconditional cache size: 23, Eliminated conditions: 1213 ], Maximal queried relation: 8, Independence queries for same thread: 566 - CounterExampleResult [Line: 66]: assertion can be violated assertion can be violated We found a FailurePath: [L28] 0 critical := 0; [L29] 0 clk := 0; [L30] 0 assume wait >= 1; [L33] 0 assume wait >= delay; VAL [clk=0, critical=0, delay=1, wait=1] [L34] FORK 0 fork 0 Clock(); VAL [clk=0, critical=0, delay=1, wait=1] [L35] FORK 0 fork 1 Process1(); VAL [clk=0, critical=0, delay=1, wait=1] [L36] FORK 0 fork 2 Process2(); VAL [clk=0, critical=0, delay=1, wait=1] [L57] COND TRUE 2 lock != 1 [L58] 2 deadline := clk + delay; VAL [clk=0, critical=0, deadline=1, delay=1, lock=0, wait=1] [L78] COND TRUE 3 lock != 2 [L79] 3 deadline := clk + delay; VAL [clk=0, critical=0, deadline=1, deadline=1, delay=1, lock=0, wait=1] [L80] 3 assume lock == 0; VAL [clk=0, critical=0, deadline=1, deadline=1, delay=1, lock=0, wait=1] [L59] 2 assume lock == 0; VAL [clk=0, critical=0, deadline=1, deadline=1, delay=1, lock=0, wait=1] [L81] 3 lock := 2; [L82] 3 assume clk <= deadline; VAL [clk=0, critical=0, deadline=1, deadline=1, delay=1, lock=2, wait=1] [L83] 3 deadline := clk + wait; VAL [clk=0, critical=0, deadline=1, deadline=1, delay=1, lock=2, wait=1] [L44] 1 clk := clk + 1; VAL [clk=1, critical=0, deadline=1, deadline=1, delay=1, lock=2, wait=1] [L84] 3 assume clk >= deadline; [L85] 3 assume lock == 2; VAL [clk=1, critical=0, deadline=1, deadline=1, delay=1, lock=2, wait=1] [L60] 2 lock := 1; [L61] 2 assume clk <= deadline; VAL [clk=1, critical=0, deadline=1, deadline=1, delay=1, lock=1, wait=1] [L62] 2 deadline := clk + wait; VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=1, wait=1] [L44] 1 clk := clk + 1; VAL [clk=2, critical=0, deadline=1, deadline=2, delay=1, lock=1, wait=1] [L63] 2 assume clk >= deadline; [L64] 2 assume lock == 1; VAL [clk=2, critical=0, deadline=1, deadline=2, delay=1, lock=1, wait=1] [L87] 3 assert critical == 0; VAL [clk=2, critical=0, deadline=1, deadline=2, delay=1, lock=1, wait=1] [L88] 3 critical := 2; VAL [clk=2, critical=2, deadline=1, deadline=2, delay=1, lock=1, wait=1] [L66] 2 assert critical == 0; VAL [clk=2, critical=2, deadline=1, deadline=2, delay=1, lock=1, wait=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1266.5ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 431.5ms, PartialOrderReductionTime: 497.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 25, 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: TRACE_CHECK: 7.4ms SsaConstructionTime, 42.7ms SatisfiabilityAnalysisTime, 132.0ms InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 25/25 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...