/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:27:18,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:27:18,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:27:18,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 08:27:18,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 08:27:18,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 08:27:18,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 08:27:18,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 08:27:18,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 08:27:18,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 08:27:18,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 08:27:18,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 08:27:18,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 08:27:18,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 08:27:18,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 08:27:18,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 08:27:18,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 08:27:18,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 08:27:18,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 08:27:18,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 08:27:18,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 08:27:18,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 08:27:18,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 08:27:18,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 08:27:18,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 08:27:18,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 08:27:18,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 08:27:18,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 08:27:18,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 08:27:18,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 08:27:18,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 08:27:18,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 08:27:18,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 08:27:18,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 08:27:18,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 08:27:18,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 08:27:18,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 08:27:18,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 08:27:18,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 08:27:18,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 08:27:18,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 08:27:18,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 08:27:18,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:27:18,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:27:18,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:27:18,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:27:18,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:27:18,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:27:18,245 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:27:18,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:27:18,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:27:18,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:27:18,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:27:18,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:27:18,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:27:18,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:27:18,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:27:18,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:27:18,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:27:18,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:27:18,249 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:27:18,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:27:18,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:27:18,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:27:18,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:27:18,510 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:27:18,511 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:27:18,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl [2021-07-10 08:27:18,512 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl' [2021-07-10 08:27:18,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:27:18,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:27:18,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:27:18,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:27:18,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:27:18,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:27:18,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:27:18,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:27:18,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:27:18,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/1) ... [2021-07-10 08:27:18,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:27:18,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:27:18,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:27:18,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:27:18,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (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 [2021-07-10 08:27:18,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:27:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:27:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:27:18,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:27:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:27:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:27:18,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:27:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:27:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:27:18,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 08:27:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 08:27:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 08:27:18,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-10 08:27:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-10 08:27:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-10 08:27:18,636 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 08:27:18,811 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:27:18,811 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 08:27:18,812 INFO L202 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:27:18 BoogieIcfgContainer [2021-07-10 08:27:18,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:27:18,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:27:18,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:27:18,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:27:18,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:27:18" (1/2) ... [2021-07-10 08:27:18,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9430f24 and model type exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:27:18, skipping insertion in model container [2021-07-10 08:27:18,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:27:18" (2/2) ... [2021-07-10 08:27:18,817 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x6.wvr.bpl [2021-07-10 08:27:18,837 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:27:18,837 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:27:18,837 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:27:18,838 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:27:18,889 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 08:27:18,907 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-07-10 08:27:18,958 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:27:18,958 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:27:18,959 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:27:18,959 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:27:18,959 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:27:18,959 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:27:18,959 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:27:18,959 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:27:19,060 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:27:19,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:27:19,064 INFO L82 PathProgramCache]: Analyzing trace with hash 448093995, now seen corresponding path program 1 times [2021-07-10 08:27:19,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:27:19,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49127598] [2021-07-10 08:27:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:27:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:27:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:27:19,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:27:19,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49127598] [2021-07-10 08:27:19,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49127598] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 08:27:19,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 08:27:19,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 08:27:19,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648769136] [2021-07-10 08:27:19,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 08:27:19,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:27:19,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 08:27:19,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 08:27:19,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:27:19,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:27:19,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 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) [2021-07-10 08:27:19,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:27:19,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:27:19,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 08:27:19,329 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:27:19,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:27:19,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1614691990, now seen corresponding path program 1 times [2021-07-10 08:27:19,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:27:19,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575076578] [2021-07-10 08:27:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:27:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:27:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:27:19,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:27:19,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575076578] [2021-07-10 08:27:19,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575076578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:27:19,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352294105] [2021-07-10 08:27:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:27:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:27:19,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 08:27:19,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:27:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:27:19,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352294105] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:27:19,526 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:27:19,526 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 08:27:19,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107141603] [2021-07-10 08:27:19,527 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 08:27:19,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:27:19,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 08:27:19,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 08:27:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:27:19,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:27:19,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-07-10 08:27:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:27:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:27:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:27:19,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:27:19,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:27:19,824 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:27:19,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:27:19,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1043754848, now seen corresponding path program 1 times [2021-07-10 08:27:19,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:27:19,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593244282] [2021-07-10 08:27:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:27:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:27:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:27:20,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:27:20,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593244282] [2021-07-10 08:27:20,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593244282] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:27:20,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393405639] [2021-07-10 08:27:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:27:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:27:20,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 08:27:20,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-07-10 08:41:45,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:41:45,743 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-10 08:41:45,748 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 08:41:45,749 WARN L196 ceAbstractionStarter]: Timeout [2021-07-10 08:41:45,749 INFO L202 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:41:45 BasicIcfg [2021-07-10 08:41:45,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 08:41:45,750 INFO L168 Benchmark]: Toolchain (without parser) took 867219.53 ms. Allocated memory was 211.8 MB in the beginning and 1.2 GB in the end (delta: 982.5 MB). Free memory was 192.1 MB in the beginning and 928.6 MB in the end (delta: -736.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-10 08:41:45,750 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 211.8 MB. Free memory is still 193.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 08:41:45,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.35 ms. Allocated memory is still 211.8 MB. Free memory was 192.0 MB in the beginning and 190.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 08:41:45,750 INFO L168 Benchmark]: Boogie Preprocessor took 11.27 ms. Allocated memory is still 211.8 MB. Free memory was 190.6 MB in the beginning and 189.6 MB in the end (delta: 970.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 08:41:45,750 INFO L168 Benchmark]: RCFGBuilder took 250.44 ms. Allocated memory is still 211.8 MB. Free memory was 189.5 MB in the beginning and 176.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 08:41:45,750 INFO L168 Benchmark]: TraceAbstraction took 866935.78 ms. Allocated memory was 211.8 MB in the beginning and 1.2 GB in the end (delta: 982.5 MB). Free memory was 176.4 MB in the beginning and 928.6 MB in the end (delta: -752.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-10 08:41:45,751 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 211.8 MB. Free memory is still 193.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.35 ms. Allocated memory is still 211.8 MB. Free memory was 192.0 MB in the beginning and 190.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.27 ms. Allocated memory is still 211.8 MB. Free memory was 190.6 MB in the beginning and 189.6 MB in the end (delta: 970.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 250.44 ms. Allocated memory is still 211.8 MB. Free memory was 189.5 MB in the beginning and 176.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 866935.78 ms. Allocated memory was 211.8 MB in the beginning and 1.2 GB in the end (delta: 982.5 MB). Free memory was 176.4 MB in the beginning and 928.6 MB in the end (delta: -752.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2381, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 139, negative conditional: 139, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 0, positive unconditional: 2242, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2242, positive: 1355, positive conditional: 0, positive unconditional: 1355, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 887, unknown conditional: 0, unknown unconditional: 887] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 139 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 57, Number of persistent set computation: 35, Number of trivial persistent sets: 6, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2381, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 139, negative conditional: 139, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 0, positive unconditional: 2242, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2242, positive: 1355, positive conditional: 0, positive unconditional: 1355, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 887, unknown conditional: 0, unknown unconditional: 887] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 139 - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 30 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 456 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 74 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 866817.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 251.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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: 14.6ms SsaConstructionTime, 52.3ms SatisfiabilityAnalysisTime, 208.5ms InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 1 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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 could not prove your program: Timeout Completed graceful shutdown