/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-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d310483fe8b4879eee5de19363f50e4b839cc4ec-d310483 [2021-06-24 20:18:19,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 20:18:19,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 20:18:19,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-24 20:18:19,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-24 20:18:19,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-24 20:18:19,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-24 20:18:19,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-24 20:18:19,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-24 20:18:19,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-24 20:18:19,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-24 20:18:19,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-24 20:18:19,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-24 20:18:19,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-24 20:18:19,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-24 20:18:19,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-24 20:18:19,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-24 20:18:19,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-24 20:18:19,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-24 20:18:19,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-24 20:18:19,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-24 20:18:19,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-24 20:18:19,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-24 20:18:19,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-24 20:18:19,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-24 20:18:19,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-24 20:18:19,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-24 20:18:19,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-24 20:18:19,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-24 20:18:19,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-24 20:18:19,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-24 20:18:19,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-24 20:18:19,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-24 20:18:19,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-24 20:18:19,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-24 20:18:19,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-24 20:18:19,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-24 20:18:19,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-24 20:18:19,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-24 20:18:19,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-24 20:18:19,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-24 20:18:19,700 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-24 20:18:19,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 20:18:19,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 20:18:19,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 20:18:19,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 20:18:19,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 20:18:19,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 20:18:19,755 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 20:18:19,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 20:18:19,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 20:18:19,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 20:18:19,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 20:18:19,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 20:18:19,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 20:18:19,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 20:18:19,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 20:18:19,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 20:18:19,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 20:18:19,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 20:18:19,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 20:18:19,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 20:18:19,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 20:18:19,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 20:18:19,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 20:18:19,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 20:18:19,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 20:18:19,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 20:18:19,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 20:18:19,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 20:18:19,759 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-24 20:18:19,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 20:18:19,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 20:18:19,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 20:18:19,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 20:18:19,760 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-24 20:18:19,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-24 20:18:19,760 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 20:18:20,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 20:18:20,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 20:18:20,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 20:18:20,116 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 20:18:20,117 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 20:18:20,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl [2021-06-24 20:18:20,118 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl' [2021-06-24 20:18:20,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 20:18:20,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 20:18:20,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 20:18:20,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 20:18:20,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 20:18:20,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 20:18:20,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 20:18:20,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 20:18:20,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 20:18:20,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 20:18:20,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 20:18:20,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 20:18:20,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 20:18:20,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 20:18:20,329 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 20:18:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 20:18:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 20:18:20,330 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 20:18:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 20:18:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 20:18:20,330 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 20:18:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 20:18:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 20:18:20,331 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-24 20:18:20,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 20:18:20,599 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 20:18:20,600 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 20:18:20,601 INFO L202 PluginConnector]: Adding new model bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:18:20 BoogieIcfgContainer [2021-06-24 20:18:20,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 20:18:20,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 20:18:20,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 20:18:20,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 20:18:20,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/2) ... [2021-06-24 20:18:20,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dae065e and model type bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 08:18:20, skipping insertion in model container [2021-06-24 20:18:20,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:18:20" (2/2) ... [2021-06-24 20:18:20,609 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth03.bpl [2021-06-24 20:18:20,614 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 20:18:20,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 20:18:20,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 20:18:20,615 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 20:18:20,682 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 20:18:20,709 INFO L255 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 [2021-06-24 20:18:20,773 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:20,773 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:20,773 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:20,773 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:20,773 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:20,773 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:20,774 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:20,774 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 20:18:21,176 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/4) [2021-06-24 20:18:21,178 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:18:21,187 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:21,187 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:21,187 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:21,187 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:21,187 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:21,187 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:21,187 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:21,188 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== [2021-06-24 20:18:21,211 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:21,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:21,215 INFO L82 PathProgramCache]: Analyzing trace with hash -134252529, now seen corresponding path program 1 times [2021-06-24 20:18:21,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:21,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691789070] [2021-06-24 20:18:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:18:21,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:21,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691789070] [2021-06-24 20:18:21,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691789070] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:21,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:21,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:21,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465295907] [2021-06-24 20:18:21,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:21,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:21,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:21,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:21,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:18:21,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 20:18:21,422 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:21,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:21,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1820894160, now seen corresponding path program 1 times [2021-06-24 20:18:21,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:21,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978755414] [2021-06-24 20:18:21,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:18:21,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:21,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978755414] [2021-06-24 20:18:21,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978755414] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:21,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:21,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 20:18:21,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590265385] [2021-06-24 20:18:21,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:21,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:21,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:21,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:21,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:21,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-06-24 20:18:21,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 20:18:21,540 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:21,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:21,541 INFO L82 PathProgramCache]: Analyzing trace with hash 2047585399, now seen corresponding path program 1 times [2021-06-24 20:18:21,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:21,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653344811] [2021-06-24 20:18:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 20:18:21,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:21,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653344811] [2021-06-24 20:18:21,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653344811] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:21,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:21,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 20:18:21,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719478270] [2021-06-24 20:18:21,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 20:18:21,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:21,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 20:18:21,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 20:18:21,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:21,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-06-24 20:18:21,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:21,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-24 20:18:21,799 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:21,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:21,800 INFO L82 PathProgramCache]: Analyzing trace with hash -342477688, now seen corresponding path program 2 times [2021-06-24 20:18:21,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:21,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044227637] [2021-06-24 20:18:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:18:21,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:21,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044227637] [2021-06-24 20:18:21,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044227637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:21,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733428866] [2021-06-24 20:18:21,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2021-06-24 20:18:21,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-24 20:18:21,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-24 20:18:21,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-24 20:18:21,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:18:22,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733428866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:22,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:22,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-24 20:18:22,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943930676] [2021-06-24 20:18:22,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-24 20:18:22,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:22,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-24 20:18:22,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-06-24 20:18:22,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:22,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:22,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 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) [2021-06-24 20:18:22,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:22,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:22,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:18:22,682 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:22,683 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:22,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1770460874, now seen corresponding path program 1 times [2021-06-24 20:18:22,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:22,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072946728] [2021-06-24 20:18:22,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-24 20:18:22,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:22,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072946728] [2021-06-24 20:18:22,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072946728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:22,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935632286] [2021-06-24 20:18:22,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:22,851 WARN L261 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-24 20:18:22,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-24 20:18:22,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935632286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:22,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:22,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-24 20:18:22,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390270381] [2021-06-24 20:18:22,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-24 20:18:22,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:22,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-24 20:18:22,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-06-24 20:18:22,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:22,984 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:22,984 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 12 states have internal predecessors, (62), 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) [2021-06-24 20:18:22,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:22,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:18:22,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:18:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:23,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:23,630 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (2/4) [2021-06-24 20:18:23,630 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:18:23,636 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:23,637 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:23,637 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:23,637 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:23,637 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:23,637 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:23,637 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:23,637 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork3======== [2021-06-24 20:18:23,690 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:23,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:23,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1394172101, now seen corresponding path program 1 times [2021-06-24 20:18:23,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:23,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522621295] [2021-06-24 20:18:23,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 20:18:23,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:23,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522621295] [2021-06-24 20:18:23,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522621295] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:23,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:23,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:23,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416011945] [2021-06-24 20:18:23,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:23,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:23,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:23,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:23,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) 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) [2021-06-24 20:18:23,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-24 20:18:23,741 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:23,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:23,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1362835767, now seen corresponding path program 1 times [2021-06-24 20:18:23,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:23,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429019606] [2021-06-24 20:18:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:18:23,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:23,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429019606] [2021-06-24 20:18:23,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429019606] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:23,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:23,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 20:18:23,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147371154] [2021-06-24 20:18:23,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:23,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:23,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:23,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:23,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-06-24 20:18:23,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-24 20:18:23,768 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:23,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:23,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1634107705, now seen corresponding path program 1 times [2021-06-24 20:18:23,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:23,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120218135] [2021-06-24 20:18:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:18:23,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:23,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120218135] [2021-06-24 20:18:23,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120218135] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:23,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:23,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 20:18:23,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176937190] [2021-06-24 20:18:23,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 20:18:23,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:23,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 20:18:23,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 20:18:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:23,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-06-24 20:18:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:23,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-24 20:18:23,874 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:23,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:23,874 INFO L82 PathProgramCache]: Analyzing trace with hash -226694338, now seen corresponding path program 1 times [2021-06-24 20:18:23,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:23,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949377179] [2021-06-24 20:18:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:18:23,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:23,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949377179] [2021-06-24 20:18:23,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949377179] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:23,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:23,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 20:18:23,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184430949] [2021-06-24 20:18:23,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 20:18:23,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:23,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 20:18:23,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 20:18:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:23,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-06-24 20:18:23,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:23,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:24,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-24 20:18:24,085 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:24,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:24,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1390112300, now seen corresponding path program 1 times [2021-06-24 20:18:24,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:24,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788460198] [2021-06-24 20:18:24,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-24 20:18:24,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:24,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788460198] [2021-06-24 20:18:24,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788460198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:24,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649178534] [2021-06-24 20:18:24,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,203 WARN L261 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-24 20:18:24,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-24 20:18:24,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649178534] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:24,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:24,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-24 20:18:24,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062888427] [2021-06-24 20:18:24,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-24 20:18:24,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:24,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-24 20:18:24,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-06-24 20:18:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:24,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 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) [2021-06-24 20:18:24,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:24,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:24,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:24,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:24,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:24,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:24,946 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork3 was SAFE (3/4) [2021-06-24 20:18:24,948 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:18:24,952 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:24,952 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:24,952 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:24,952 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:24,952 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:24,952 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:24,952 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:24,952 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 20:18:24,954 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:24,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:24,955 INFO L82 PathProgramCache]: Analyzing trace with hash 605509324, now seen corresponding path program 1 times [2021-06-24 20:18:24,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:24,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052132806] [2021-06-24 20:18:24,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:18:24,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:24,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052132806] [2021-06-24 20:18:24,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052132806] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:24,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:24,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:24,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954906566] [2021-06-24 20:18:24,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:24,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:24,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:24,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:24,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-06-24 20:18:24,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:25,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-24 20:18:25,013 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:25,013 INFO L82 PathProgramCache]: Analyzing trace with hash 613144469, now seen corresponding path program 1 times [2021-06-24 20:18:25,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:25,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851394069] [2021-06-24 20:18:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:18:25,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:25,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851394069] [2021-06-24 20:18:25,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851394069] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:25,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:25,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 20:18:25,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018355102] [2021-06-24 20:18:25,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:25,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:25,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:25,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:25,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:25,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-06-24 20:18:25,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-24 20:18:25,069 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:25,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:25,070 INFO L82 PathProgramCache]: Analyzing trace with hash -929640459, now seen corresponding path program 1 times [2021-06-24 20:18:25,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:25,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279779210] [2021-06-24 20:18:25,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-24 20:18:25,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:25,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279779210] [2021-06-24 20:18:25,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279779210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:25,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852063150] [2021-06-24 20:18:25,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:25,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-24 20:18:25,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-24 20:18:25,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852063150] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:25,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:25,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-06-24 20:18:25,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040021412] [2021-06-24 20:18:25,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-24 20:18:25,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:25,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-24 20:18:25,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-06-24 20:18:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:25,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:25,272 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 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) [2021-06-24 20:18:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:18:25,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-24 20:18:25,775 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:25,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:25,775 INFO L82 PathProgramCache]: Analyzing trace with hash 773977273, now seen corresponding path program 1 times [2021-06-24 20:18:25,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:25,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305206643] [2021-06-24 20:18:25,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-24 20:18:25,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:25,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305206643] [2021-06-24 20:18:25,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305206643] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:25,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606018924] [2021-06-24 20:18:25,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:25,904 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-24 20:18:25,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-24 20:18:26,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606018924] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:26,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:26,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2021-06-24 20:18:26,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668178146] [2021-06-24 20:18:26,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-24 20:18:26,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:26,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-24 20:18:26,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-06-24 20:18:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:26,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:26,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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) [2021-06-24 20:18:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:26,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:26,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:18:26,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:18:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:26,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-24 20:18:26,585 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (4/4) [2021-06-24 20:18:26,585 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 20:18:26,588 INFO L202 PluginConnector]: Adding new model bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:18:26 BasicIcfg [2021-06-24 20:18:26,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 20:18:26,589 INFO L168 Benchmark]: Toolchain (without parser) took 6428.54 ms. Allocated memory was 316.7 MB in the beginning and 380.6 MB in the end (delta: 64.0 MB). Free memory was 295.9 MB in the beginning and 188.8 MB in the end (delta: 107.1 MB). Peak memory consumption was 172.0 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:26,589 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 316.7 MB. Free memory is still 296.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 20:18:26,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.71 ms. Allocated memory is still 316.7 MB. Free memory was 295.8 MB in the beginning and 294.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:26,589 INFO L168 Benchmark]: Boogie Preprocessor took 18.18 ms. Allocated memory is still 316.7 MB. Free memory was 294.0 MB in the beginning and 293.1 MB in the end (delta: 865.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:26,589 INFO L168 Benchmark]: RCFGBuilder took 383.24 ms. Allocated memory is still 316.7 MB. Free memory was 293.0 MB in the beginning and 280.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:26,589 INFO L168 Benchmark]: TraceAbstraction took 5985.13 ms. Allocated memory was 316.7 MB in the beginning and 380.6 MB in the end (delta: 64.0 MB). Free memory was 279.7 MB in the beginning and 188.8 MB in the end (delta: 90.9 MB). Peak memory consumption was 156.3 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:26,590 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 0.16 ms. Allocated memory is still 316.7 MB. Free memory is still 296.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.71 ms. Allocated memory is still 316.7 MB. Free memory was 295.8 MB in the beginning and 294.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.18 ms. Allocated memory is still 316.7 MB. Free memory was 294.0 MB in the beginning and 293.1 MB in the end (delta: 865.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 383.24 ms. Allocated memory is still 316.7 MB. Free memory was 293.0 MB in the beginning and 280.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5985.13 ms. Allocated memory was 316.7 MB in the beginning and 380.6 MB in the end (delta: 64.0 MB). Free memory was 279.7 MB in the beginning and 188.8 MB in the end (delta: 90.9 MB). Peak memory consumption was 156.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2002, positive: 1477, positive conditional: 1477, positive unconditional: 0, negative: 525, negative conditional: 525, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1634, positive: 1477, positive conditional: 1477, positive unconditional: 0, negative: 157, negative conditional: 157, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1634, positive: 1477, positive conditional: 0, positive unconditional: 1477, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 158, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 158, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1634, positive: 1335, positive conditional: 0, positive unconditional: 1335, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 158, unknown conditional: 0, unknown unconditional: 158] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 142, Positive conditional cache size: 0, Positive unconditional cache size: 142, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 ], Maximal queried relation: 0, Independence queries for same thread: 368 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23931, positive: 21252, positive conditional: 21252, positive unconditional: 0, negative: 2679, negative conditional: 2679, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 21647, positive: 21252, positive conditional: 21252, positive unconditional: 0, negative: 395, negative conditional: 395, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 21647, positive: 19519, positive conditional: 0, positive unconditional: 19519, negative: 2128, negative conditional: 0, negative unconditional: 2128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 279, positive: 257, positive conditional: 0, positive unconditional: 257, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 279, positive: 233, positive conditional: 0, positive unconditional: 233, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, positive: 77, positive conditional: 53, positive unconditional: 24, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 193, positive conditional: 112, positive unconditional: 82, negative: 121, negative conditional: 71, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21647, positive: 19262, positive conditional: 0, positive unconditional: 19262, negative: 2106, negative conditional: 0, negative unconditional: 2106, unknown: 279, unknown conditional: 0, unknown unconditional: 279] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 310, Positive conditional cache size: 53, Positive unconditional cache size: 257, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, positive: 77, positive conditional: 53, positive unconditional: 24, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 193, positive conditional: 112, positive unconditional: 82, negative: 121, negative conditional: 71, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4834, positive: 1680, positive conditional: 1680, positive unconditional: 0, negative: 3062, negative conditional: 888, negative unconditional: 2174, unknown: 92, unknown conditional: 92, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 310, Positive conditional cache size: 53, Positive unconditional cache size: 257, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 2174, SemanticConditionEliminator.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, positive: 77, positive conditional: 53, positive unconditional: 24, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 193, positive conditional: 112, positive unconditional: 82, negative: 121, negative conditional: 71, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4834, positive: 1680, positive conditional: 1680, positive unconditional: 0, negative: 3062, negative conditional: 888, negative unconditional: 2174, unknown: 92, unknown conditional: 92, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 310, Positive conditional cache size: 53, Positive unconditional cache size: 257, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 2174, SemanticConditionEliminator.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, positive: 77, positive conditional: 53, positive unconditional: 24, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 193, positive conditional: 112, positive unconditional: 82, negative: 121, negative conditional: 71, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4834, positive: 1680, positive conditional: 1680, positive unconditional: 0, negative: 3062, negative conditional: 888, negative unconditional: 2174, unknown: 92, unknown conditional: 92, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 310, Positive conditional cache size: 53, Positive unconditional cache size: 257, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 2174, SemanticConditionEliminator.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, positive: 77, positive conditional: 53, positive unconditional: 24, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 193, positive conditional: 112, positive unconditional: 82, negative: 121, negative conditional: 71, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4834, positive: 1680, positive conditional: 1680, positive unconditional: 0, negative: 3062, negative conditional: 888, negative unconditional: 2174, unknown: 92, unknown conditional: 92, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 310, Positive conditional cache size: 53, Positive unconditional cache size: 257, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 2174, SemanticConditionEliminator.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4834, positive: 1733, positive conditional: 1733, positive unconditional: 0, negative: 3101, negative conditional: 927, negative unconditional: 2174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, positive: 77, positive conditional: 53, positive unconditional: 24, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 193, positive conditional: 112, positive unconditional: 82, negative: 121, negative conditional: 71, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4834, positive: 1680, positive conditional: 1680, positive unconditional: 0, negative: 3062, negative conditional: 888, negative unconditional: 2174, unknown: 92, unknown conditional: 92, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 310, Positive conditional cache size: 53, Positive unconditional cache size: 257, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 2174 ], Maximal queried relation: 5, Independence queries for same thread: 2284 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24455, positive: 22073, positive conditional: 22073, positive unconditional: 0, negative: 2382, negative conditional: 2382, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 22524, positive: 22073, positive conditional: 22073, positive unconditional: 0, negative: 451, negative conditional: 451, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 22524, positive: 20204, positive conditional: 0, positive unconditional: 20204, negative: 2320, negative conditional: 0, negative unconditional: 2320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 286, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 286, positive: 239, positive conditional: 0, positive unconditional: 239, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 68, positive conditional: 44, positive unconditional: 24, negative: 58, negative conditional: 35, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 125, positive conditional: 56, positive unconditional: 69, negative: 67, negative conditional: 40, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22524, positive: 19941, positive conditional: 0, positive unconditional: 19941, negative: 2297, negative conditional: 0, negative unconditional: 2297, unknown: 286, unknown conditional: 0, unknown unconditional: 286] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 307, Positive conditional cache size: 44, Positive unconditional cache size: 263, Negative cache size: 58, Negative conditional cache size: 35, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 68, positive conditional: 44, positive unconditional: 24, negative: 58, negative conditional: 35, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 125, positive conditional: 56, positive unconditional: 69, negative: 67, negative conditional: 40, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5393, positive: 1825, positive conditional: 1825, positive unconditional: 0, negative: 3489, negative conditional: 1022, negative unconditional: 2467, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 307, Positive conditional cache size: 44, Positive unconditional cache size: 263, Negative cache size: 58, Negative conditional cache size: 35, Negative unconditional cache size: 23, Eliminated conditions: 2467, SemanticConditionEliminator.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 68, positive conditional: 44, positive unconditional: 24, negative: 58, negative conditional: 35, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 125, positive conditional: 56, positive unconditional: 69, negative: 67, negative conditional: 40, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5393, positive: 1825, positive conditional: 1825, positive unconditional: 0, negative: 3489, negative conditional: 1022, negative unconditional: 2467, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 307, Positive conditional cache size: 44, Positive unconditional cache size: 263, Negative cache size: 58, Negative conditional cache size: 35, Negative unconditional cache size: 23, Eliminated conditions: 2467, SemanticConditionEliminator.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 68, positive conditional: 44, positive unconditional: 24, negative: 58, negative conditional: 35, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 125, positive conditional: 56, positive unconditional: 69, negative: 67, negative conditional: 40, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5393, positive: 1825, positive conditional: 1825, positive unconditional: 0, negative: 3489, negative conditional: 1022, negative unconditional: 2467, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 307, Positive conditional cache size: 44, Positive unconditional cache size: 263, Negative cache size: 58, Negative conditional cache size: 35, Negative unconditional cache size: 23, Eliminated conditions: 2467, SemanticConditionEliminator.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 68, positive conditional: 44, positive unconditional: 24, negative: 58, negative conditional: 35, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 125, positive conditional: 56, positive unconditional: 69, negative: 67, negative conditional: 40, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5393, positive: 1825, positive conditional: 1825, positive unconditional: 0, negative: 3489, negative conditional: 1022, negative unconditional: 2467, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 307, Positive conditional cache size: 44, Positive unconditional cache size: 263, Negative cache size: 58, Negative conditional cache size: 35, Negative unconditional cache size: 23, Eliminated conditions: 2467, SemanticConditionEliminator.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5393, positive: 1869, positive conditional: 1869, positive unconditional: 0, negative: 3524, negative conditional: 1057, negative unconditional: 2467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 68, positive conditional: 44, positive unconditional: 24, negative: 58, negative conditional: 35, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 125, positive conditional: 56, positive unconditional: 69, negative: 67, negative conditional: 40, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5393, positive: 1825, positive conditional: 1825, positive unconditional: 0, negative: 3489, negative conditional: 1022, negative unconditional: 2467, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 307, Positive conditional cache size: 44, Positive unconditional cache size: 263, Negative cache size: 58, Negative conditional cache size: 35, Negative unconditional cache size: 23, Eliminated conditions: 2467 ], Maximal queried relation: 5, Independence queries for same thread: 1931 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17204, positive: 15394, positive conditional: 15394, positive unconditional: 0, negative: 1810, negative conditional: 1810, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 15688, positive: 15394, positive conditional: 15394, positive unconditional: 0, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15688, positive: 14153, positive conditional: 0, positive unconditional: 14153, negative: 1535, negative conditional: 0, negative unconditional: 1535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 286, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 286, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 129, positive: 73, positive conditional: 49, positive unconditional: 24, negative: 56, negative conditional: 32, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 183, positive conditional: 121, positive unconditional: 61, negative: 70, negative conditional: 44, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15688, positive: 13891, positive conditional: 0, positive unconditional: 13891, negative: 1511, negative conditional: 0, negative unconditional: 1511, unknown: 286, unknown conditional: 0, unknown unconditional: 286] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 311, Positive conditional cache size: 49, Positive unconditional cache size: 262, Negative cache size: 56, Negative conditional cache size: 32, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 129, positive: 73, positive conditional: 49, positive unconditional: 24, negative: 56, negative conditional: 32, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 183, positive conditional: 121, positive unconditional: 61, negative: 70, negative conditional: 44, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2972, positive: 1192, positive conditional: 1192, positive unconditional: 0, negative: 1699, negative conditional: 463, negative unconditional: 1236, unknown: 81, unknown conditional: 81, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 311, Positive conditional cache size: 49, Positive unconditional cache size: 262, Negative cache size: 56, Negative conditional cache size: 32, Negative unconditional cache size: 24, Eliminated conditions: 1236, SemanticConditionEliminator.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 129, positive: 73, positive conditional: 49, positive unconditional: 24, negative: 56, negative conditional: 32, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 183, positive conditional: 121, positive unconditional: 61, negative: 70, negative conditional: 44, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2972, positive: 1192, positive conditional: 1192, positive unconditional: 0, negative: 1699, negative conditional: 463, negative unconditional: 1236, unknown: 81, unknown conditional: 81, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 311, Positive conditional cache size: 49, Positive unconditional cache size: 262, Negative cache size: 56, Negative conditional cache size: 32, Negative unconditional cache size: 24, Eliminated conditions: 1236, SemanticConditionEliminator.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 129, positive: 73, positive conditional: 49, positive unconditional: 24, negative: 56, negative conditional: 32, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 183, positive conditional: 121, positive unconditional: 61, negative: 70, negative conditional: 44, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2972, positive: 1192, positive conditional: 1192, positive unconditional: 0, negative: 1699, negative conditional: 463, negative unconditional: 1236, unknown: 81, unknown conditional: 81, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 311, Positive conditional cache size: 49, Positive unconditional cache size: 262, Negative cache size: 56, Negative conditional cache size: 32, Negative unconditional cache size: 24, Eliminated conditions: 1236, SemanticConditionEliminator.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2972, positive: 1241, positive conditional: 1241, positive unconditional: 0, negative: 1731, negative conditional: 495, negative unconditional: 1236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 129, positive: 73, positive conditional: 49, positive unconditional: 24, negative: 56, negative conditional: 32, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 183, positive conditional: 121, positive unconditional: 61, negative: 70, negative conditional: 44, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2972, positive: 1192, positive conditional: 1192, positive unconditional: 0, negative: 1699, negative conditional: 463, negative unconditional: 1236, unknown: 81, unknown conditional: 81, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 311, Positive conditional cache size: 49, Positive unconditional cache size: 262, Negative cache size: 56, Negative conditional cache size: 32, Negative unconditional cache size: 24, Eliminated conditions: 1236 ], Maximal queried relation: 4, Independence queries for same thread: 1516 - PositiveResult [Line: 34]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 438.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.1ms, PartialOrderReductionTime: 374.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2448.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 1067.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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: 16.2ms SsaConstructionTime, 117.2ms SatisfiabilityAnalysisTime, 609.1ms InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 787 SizeOfPredicates, 2 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 36/65 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork3 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1314.9ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 669.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 8.3ms SsaConstructionTime, 30.9ms SatisfiabilityAnalysisTime, 324.5ms InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 SizeOfPredicates, 1 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 38/46 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1636.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 663.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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: 11.3ms SsaConstructionTime, 35.2ms SatisfiabilityAnalysisTime, 423.8ms InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 2 NumberOfNonLiveVariables, 144 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 56/96 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...