/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/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 01:27:45,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 01:27:45,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 01:27:46,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-13 01:27:46,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-13 01:27:46,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-13 01:27:46,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-13 01:27:46,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-13 01:27:46,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-13 01:27:46,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-13 01:27:46,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-13 01:27:46,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-13 01:27:46,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-13 01:27:46,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-13 01:27:46,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-13 01:27:46,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-13 01:27:46,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-13 01:27:46,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-13 01:27:46,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-13 01:27:46,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-13 01:27:46,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-13 01:27:46,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-13 01:27:46,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-13 01:27:46,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-13 01:27:46,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-13 01:27:46,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-13 01:27:46,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-13 01:27:46,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-13 01:27:46,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-13 01:27:46,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-13 01:27:46,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-13 01:27:46,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-13 01:27:46,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-13 01:27:46,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-13 01:27:46,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-13 01:27:46,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-13 01:27:46,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-13 01:27:46,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-13 01:27:46,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 01:27:46,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 01:27:46,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 01:27:46,059 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 01:27:46,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 01:27:46,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 01:27:46,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 01:27:46,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 01:27:46,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 01:27:46,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 01:27:46,074 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 01:27:46,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 01:27:46,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 01:27:46,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 01:27:46,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 01:27:46,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 01:27:46,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 01:27:46,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 01:27:46,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 01:27:46,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 01:27:46,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 01:27:46,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 01:27:46,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 01:27:46,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 01:27:46,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 01:27:46,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 01:27:46,076 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 01:27:46,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 01:27:46,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 01:27:46,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 01:27:46,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 01:27:46,298 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 01:27:46,298 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 01:27:46,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl [2021-03-13 01:27:46,299 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl' [2021-03-13 01:27:46,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 01:27:46,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 01:27:46,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 01:27:46,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 01:27:46,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 01:27:46,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 01:27:46,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 01:27:46,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 01:27:46,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 01:27:46,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/1) ... [2021-03-13 01:27:46,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 01:27:46,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 01:27:46,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 01:27:46,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 01:27:46,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (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 01:27:46,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 01:27:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 01:27:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 01:27:46,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 01:27:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 01:27:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 01:27:46,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 01:27:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 01:27:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 01:27:46,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 01:27:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 01:27:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 01:27:46,447 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 01:27:46,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 01:27:46,613 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 01:27:46,614 INFO L202 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 01:27:46 BoogieIcfgContainer [2021-03-13 01:27:46,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 01:27:46,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 01:27:46,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 01:27:46,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 01:27:46,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 01:27:46" (1/2) ... [2021-03-13 01:27:46,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c760869 and model type ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 01:27:46, skipping insertion in model container [2021-03-13 01:27:46,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 01:27:46" (2/2) ... [2021-03-13 01:27:46,619 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-3.wvr.bpl [2021-03-13 01:27:46,623 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 01:27:46,623 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 01:27:46,625 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 01:27:46,625 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 01:27:46,651 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-13 01:27:46,675 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 01:27:46,730 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 01:27:46,730 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 01:27:46,730 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 01:27:46,730 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 01:27:46,730 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 01:27:46,730 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 01:27:46,730 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 01:27:46,730 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 01:27:46,736 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 01:27:46,736 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 84 flow [2021-03-13 01:27:46,738 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 84 flow [2021-03-13 01:27:46,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 84 flow [2021-03-13 01:27:46,757 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-03-13 01:27:46,757 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-13 01:27:46,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 27 events. 0/27 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-13 01:27:46,759 INFO L116 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-13 01:27:47,438 INFO L131 LiptonReduction]: Checked pairs total: 516 [2021-03-13 01:27:47,438 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-13 01:27:47,513 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 01:27:47,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 01:27:47,516 INFO L82 PathProgramCache]: Analyzing trace with hash -710039995, now seen corresponding path program 1 times [2021-03-13 01:27:47,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 01:27:47,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319504999] [2021-03-13 01:27:47,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 01:27:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 01:27:47,682 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 01:27:47,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319504999] [2021-03-13 01:27:47,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 01:27:47,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 01:27:47,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093700207] [2021-03-13 01:27:47,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 01:27:47,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 01:27:47,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 01:27:47,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-13 01:27:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:47,700 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 01:27:47,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 01:27:47,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:47,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 01:27:47,768 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 01:27:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 01:27:47,769 INFO L82 PathProgramCache]: Analyzing trace with hash 2000973591, now seen corresponding path program 2 times [2021-03-13 01:27:47,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 01:27:47,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887596943] [2021-03-13 01:27:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 01:27:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 01:27:47,832 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 01:27:47,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887596943] [2021-03-13 01:27:47,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 01:27:47,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 01:27:47,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318928430] [2021-03-13 01:27:47,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 01:27:47,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 01:27:47,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 01:27:47,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-13 01:27:47,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:47,837 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 01:27:47,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 01:27:47,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:47,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:47,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 01:27:47,918 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 01:27:47,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 01:27:47,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1887909263, now seen corresponding path program 3 times [2021-03-13 01:27:47,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 01:27:47,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728995980] [2021-03-13 01:27:47,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 01:27:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 01:27:47,964 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 01:27:47,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728995980] [2021-03-13 01:27:47,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 01:27:47,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 01:27:47,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686219202] [2021-03-13 01:27:47,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 01:27:47,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 01:27:47,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 01:27:47,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-13 01:27:47,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:47,967 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 01:27:47,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 01:27:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:48,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:48,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:48,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 01:27:48,252 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 01:27:48,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 01:27:48,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1374514469, now seen corresponding path program 4 times [2021-03-13 01:27:48,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 01:27:48,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329156646] [2021-03-13 01:27:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 01:27:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 01:27:48,321 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 01:27:48,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329156646] [2021-03-13 01:27:48,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 01:27:48,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 01:27:48,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559919805] [2021-03-13 01:27:48,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 01:27:48,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 01:27:48,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 01:27:48,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-13 01:27:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:48,324 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 01:27:48,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 01:27:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 01:27:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 01:27:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 01:27:48,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-13 01:27:48,522 INFO L202 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 01:27:48 BasicIcfg [2021-03-13 01:27:48,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 01:27:48,522 INFO L168 Benchmark]: Toolchain (without parser) took 2193.18 ms. Allocated memory is still 341.8 MB. Free memory was 322.0 MB in the beginning and 269.3 MB in the end (delta: 52.6 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.0 GB. [2021-03-13 01:27:48,523 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 341.8 MB. Free memory was 323.0 MB in the beginning and 323.0 MB in the end (delta: 77.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 01:27:48,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.01 ms. Allocated memory is still 341.8 MB. Free memory was 321.4 MB in the beginning and 320.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 01:27:48,523 INFO L168 Benchmark]: Boogie Preprocessor took 12.87 ms. Allocated memory is still 341.8 MB. Free memory was 320.0 MB in the beginning and 319.1 MB in the end (delta: 852.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 01:27:48,523 INFO L168 Benchmark]: RCFGBuilder took 239.87 ms. Allocated memory is still 341.8 MB. Free memory was 319.1 MB in the beginning and 306.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-13 01:27:48,539 INFO L168 Benchmark]: TraceAbstraction took 1906.12 ms. Allocated memory is still 341.8 MB. Free memory was 306.2 MB in the beginning and 269.3 MB in the end (delta: 36.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. [2021-03-13 01:27:48,545 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 0.10 ms. Allocated memory is still 341.8 MB. Free memory was 323.0 MB in the beginning and 323.0 MB in the end (delta: 77.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.01 ms. Allocated memory is still 341.8 MB. Free memory was 321.4 MB in the beginning and 320.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.87 ms. Allocated memory is still 341.8 MB. Free memory was 320.0 MB in the beginning and 319.1 MB in the end (delta: 852.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 239.87 ms. Allocated memory is still 341.8 MB. Free memory was 319.1 MB in the beginning and 306.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1906.12 ms. Allocated memory is still 341.8 MB. Free memory was 306.2 MB in the beginning and 269.3 MB in the end (delta: 36.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 700.7ms, 40 PlacesBefore, 29 PlacesAfterwards, 30 TransitionsBefore, 19 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 516 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 317, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 204, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 204, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 317, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 204, unknown conditional: 0, unknown unconditional: 204] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 228, positive: 187, positive conditional: 187, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 224, positive: 187, positive conditional: 187, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 224, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 62, negative conditional: 51, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 384, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 345, negative conditional: 275, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 224, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 36, unknown conditional: 0, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 33, Positive conditional cache size: 8, Positive unconditional cache size: 25, Negative cache size: 62, Negative conditional cache size: 51, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 62, negative conditional: 51, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 384, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 345, negative conditional: 275, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 218, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 123, negative conditional: 96, negative unconditional: 27, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 33, Positive conditional cache size: 8, Positive unconditional cache size: 25, Negative cache size: 62, Negative conditional cache size: 51, Negative unconditional cache size: 11, Eliminated conditions: 27, SemanticConditionEliminator.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 62, negative conditional: 51, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 384, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 345, negative conditional: 275, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 218, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 123, negative conditional: 96, negative unconditional: 27, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 33, Positive conditional cache size: 8, Positive unconditional cache size: 25, Negative cache size: 62, Negative conditional cache size: 51, Negative unconditional cache size: 11, Eliminated conditions: 27, SemanticConditionEliminator.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 62, negative conditional: 51, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 384, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 345, negative conditional: 275, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 218, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 123, negative conditional: 96, negative unconditional: 27, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 33, Positive conditional cache size: 8, Positive unconditional cache size: 25, Negative cache size: 62, Negative conditional cache size: 51, Negative unconditional cache size: 11, Eliminated conditions: 27, SemanticConditionEliminator.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 218, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 174, negative conditional: 147, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 62, negative conditional: 51, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 384, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 345, negative conditional: 275, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 218, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 123, negative conditional: 96, negative unconditional: 27, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 33, Positive conditional cache size: 8, Positive unconditional cache size: 25, Negative cache size: 62, Negative conditional cache size: 51, Negative unconditional cache size: 11, Eliminated conditions: 27 ], Maximal queried relation: 4, Independence queries for same thread: 4 - PositiveResult [Line: 65]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1826.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 725.5ms, PartialOrderReductionTime: 679.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 8.1ms SsaConstructionTime, 70.2ms SatisfiabilityAnalysisTime, 201.2ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...