/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 07:25:12,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 07:25:12,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 07:25:12,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 07:25:12,813 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-Lockstep.epf [2021-07-14 07:25:12,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 07:25:12,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 07:25:12,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 07:25:12,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 07:25:12,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 07:25:12,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 07:25:12,861 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 07:25:12,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 07:25:12,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 07:25:12,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 07:25:12,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 07:25:12,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:25:12,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 07:25:12,864 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 07:25:12,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 07:25:12,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 07:25:12,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 07:25:12,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 07:25:12,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 07:25:12,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 07:25:13,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 07:25:13,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 07:25:13,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 07:25:13,142 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 07:25:13,143 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 07:25:13,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl [2021-07-14 07:25:13,143 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl' [2021-07-14 07:25:13,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 07:25:13,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 07:25:13,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 07:25:13,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 07:25:13,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 07:25:13,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 07:25:13,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 07:25:13,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 07:25:13,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 07:25:13,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... [2021-07-14 07:25:13,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 07:25:13,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 07:25:13,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 07:25:13,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 07:25:13,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:25:13,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-14 07:25:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-14 07:25:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-14 07:25:13,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-14 07:25:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-14 07:25:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-14 07:25:13,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-14 07:25:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-14 07:25:13,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-14 07:25:13,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 07:25:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 07:25:13,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 07:25:13,275 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 07:25:13,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 07:25:13,563 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-14 07:25:13,564 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-14 07:25:13,564 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-14 07:25:13,565 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:25:13 BoogieIcfgContainer [2021-07-14 07:25:13,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 07:25:13,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 07:25:13,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 07:25:13,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 07:25:13,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:25:13" (1/2) ... [2021-07-14 07:25:13,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2fd1ed and model type bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:25:13, skipping insertion in model container [2021-07-14 07:25:13,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:25:13" (2/2) ... [2021-07-14 07:25:13,571 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct07.bpl [2021-07-14 07:25:13,574 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 07:25:13,574 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 07:25:13,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 07:25:13,575 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 07:25:13,613 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 07:25:13,629 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 07:25:13,695 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 07:25:13,695 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 07:25:13,695 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 07:25:13,695 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 07:25:13,695 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 07:25:13,695 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 07:25:13,695 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 07:25:13,695 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 07:25:20,497 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 07:25:20,498 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 [2021-07-14 07:25:20,503 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 07:25:20,504 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 07:25:20,504 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 07:25:20,504 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 07:25:20,504 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 07:25:20,504 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 07:25:20,504 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 07:25:20,504 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-14 07:25:20,531 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:20,665 INFO L82 PathProgramCache]: Analyzing trace with hash 841004993, now seen corresponding path program 1 times [2021-07-14 07:25:20,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:20,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655736233] [2021-07-14 07:25:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:25:20,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:20,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655736233] [2021-07-14 07:25:20,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655736233] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:25:20,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:25:20,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 07:25:20,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124045339] [2021-07-14 07:25:20,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 07:25:20,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:20,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 07:25:20,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 07:25:20,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:20,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:20,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) 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) [2021-07-14 07:25:20,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:20,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:20,999 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 07:25:20,999 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:21,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash -111411383, now seen corresponding path program 1 times [2021-07-14 07:25:21,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:21,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653841925] [2021-07-14 07:25:21,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:25:21,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:21,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653841925] [2021-07-14 07:25:21,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653841925] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:25:21,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:25:21,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 07:25:21,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468986400] [2021-07-14 07:25:21,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 07:25:21,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:21,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 07:25:21,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 07:25:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:21,028 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:21,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:25:21,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,122 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 07:25:21,122 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:21,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:21,123 INFO L82 PathProgramCache]: Analyzing trace with hash 801999069, now seen corresponding path program 1 times [2021-07-14 07:25:21,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:21,123 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113281418] [2021-07-14 07:25:21,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:25:21,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:21,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113281418] [2021-07-14 07:25:21,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113281418] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:25:21,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:25:21,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 07:25:21,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267791463] [2021-07-14 07:25:21,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 07:25:21,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:21,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 07:25:21,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-14 07:25:21,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:21,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:21,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:25:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:21,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 07:25:21,476 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:21,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:21,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1612262378, now seen corresponding path program 1 times [2021-07-14 07:25:21,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:21,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55043375] [2021-07-14 07:25:21,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:25:21,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:21,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55043375] [2021-07-14 07:25:21,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55043375] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:21,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396493031] [2021-07-14 07:25:21,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:25:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:21,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 07:25:21,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:25:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:25:21,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396493031] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:21,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:25:21,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 07:25:21,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779161247] [2021-07-14 07:25:21,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 07:25:21,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:21,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 07:25:21,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-14 07:25:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:21,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:21,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 10 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) [2021-07-14 07:25:21,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:21,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:21,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:22,419 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:25:22,419 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:22,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:22,419 INFO L82 PathProgramCache]: Analyzing trace with hash -657006193, now seen corresponding path program 1 times [2021-07-14 07:25:22,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:22,420 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086696602] [2021-07-14 07:25:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 07:25:22,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:22,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086696602] [2021-07-14 07:25:22,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086696602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:22,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065800840] [2021-07-14 07:25:22,537 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 [2021-07-14 07:25:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:22,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 07:25:22,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:25:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 07:25:22,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065800840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:22,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:25:22,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 07:25:22,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167948678] [2021-07-14 07:25:22,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 07:25:22,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:22,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 07:25:22,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-14 07:25:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:22,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:22,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:25:22,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:22,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:22,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:22,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:22,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:25:23,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:25:23,813 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:23,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:23,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1533062497, now seen corresponding path program 1 times [2021-07-14 07:25:23,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:23,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934913521] [2021-07-14 07:25:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 07:25:24,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:24,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934913521] [2021-07-14 07:25:24,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934913521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:24,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236014638] [2021-07-14 07:25:24,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:25:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:24,137 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 07:25:24,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:25:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 07:25:24,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236014638] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:24,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:25:24,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-14 07:25:24,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187779860] [2021-07-14 07:25:24,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 07:25:24,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:24,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 07:25:24,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-14 07:25:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:24,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:24,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 14 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:25:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:25:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:25:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 07:25:26,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 07:25:26,930 INFO L430 AbstractCegarLoop]: === Iteration 7 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:26,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:26,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1560379099, now seen corresponding path program 1 times [2021-07-14 07:25:26,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:26,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89216307] [2021-07-14 07:25:26,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 07:25:27,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:27,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89216307] [2021-07-14 07:25:27,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89216307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:27,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810859084] [2021-07-14 07:25:27,032 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 [2021-07-14 07:25:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:27,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 07:25:27,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:25:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 07:25:27,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810859084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:27,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:25:27,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-14 07:25:27,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025744627] [2021-07-14 07:25:27,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 07:25:27,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:27,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 07:25:27,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-07-14 07:25:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:27,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:27,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 16 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:25:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:25:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 07:25:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:25:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 07:25:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 07:25:52,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:25:52,032 INFO L430 AbstractCegarLoop]: === Iteration 8 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:52,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:52,032 INFO L82 PathProgramCache]: Analyzing trace with hash -410837104, now seen corresponding path program 1 times [2021-07-14 07:25:52,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:52,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616762006] [2021-07-14 07:25:52,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 36 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 07:25:52,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:25:52,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616762006] [2021-07-14 07:25:52,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616762006] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:52,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914768085] [2021-07-14 07:25:52,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:25:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:52,352 WARN L261 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 94 conjunts are in the unsatisfiable core [2021-07-14 07:25:52,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:25:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 53 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 07:25:52,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914768085] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:25:52,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:25:52,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 07:25:52,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461638970] [2021-07-14 07:25:52,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 07:25:52,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:25:52,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 07:25:52,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-07-14 07:25:52,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:25:52,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:25:52,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 07:25:52,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:27:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:27:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:27:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 07:27:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:27:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:27:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 07:27:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 07:27:30,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:27:30,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:27:30,548 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-14 07:27:30,548 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 07:27:30,550 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:27:30 BasicIcfg [2021-07-14 07:27:30,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 07:27:30,551 INFO L168 Benchmark]: Toolchain (without parser) took 137379.07 ms. Allocated memory was 186.6 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 166.7 MB in the beginning and 4.5 GB in the end (delta: -4.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 8.0 GB. [2021-07-14 07:27:30,551 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 186.6 MB. Free memory is still 167.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 07:27:30,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 186.6 MB. Free memory was 166.6 MB in the beginning and 164.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 07:27:30,551 INFO L168 Benchmark]: Boogie Preprocessor took 14.08 ms. Allocated memory is still 186.6 MB. Free memory was 164.7 MB in the beginning and 163.8 MB in the end (delta: 905.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 07:27:30,551 INFO L168 Benchmark]: RCFGBuilder took 347.89 ms. Allocated memory is still 186.6 MB. Free memory was 163.7 MB in the beginning and 148.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-07-14 07:27:30,551 INFO L168 Benchmark]: TraceAbstraction took 136983.51 ms. Allocated memory was 186.6 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 147.7 MB in the beginning and 4.5 GB in the end (delta: -4.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 8.0 GB. [2021-07-14 07:27:30,551 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 0.11 ms. Allocated memory is still 186.6 MB. Free memory is still 167.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 186.6 MB. Free memory was 166.6 MB in the beginning and 164.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.08 ms. Allocated memory is still 186.6 MB. Free memory was 164.7 MB in the beginning and 163.8 MB in the end (delta: 905.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 347.89 ms. Allocated memory is still 186.6 MB. Free memory was 163.7 MB in the beginning and 148.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 136983.51 ms. Allocated memory was 186.6 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 147.7 MB in the beginning and 4.5 GB in the end (delta: -4.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4202347, positive: 3206074, positive conditional: 3206074, positive unconditional: 0, negative: 996273, negative conditional: 996273, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3849969, positive: 3206074, positive conditional: 3206074, positive unconditional: 0, negative: 643895, negative conditional: 643895, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3849969, positive: 3206074, positive conditional: 0, positive unconditional: 3206074, negative: 643895, negative conditional: 0, negative unconditional: 643895, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 688, positive: 602, positive conditional: 0, positive unconditional: 602, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 688, positive: 516, positive conditional: 0, positive unconditional: 516, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 172, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 172, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 416, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 206, negative conditional: 0, negative unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3849969, positive: 3205472, positive conditional: 0, positive unconditional: 3205472, negative: 643809, negative conditional: 0, negative unconditional: 643809, unknown: 688, unknown conditional: 0, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 688, Positive cache size: 602, Positive conditional cache size: 0, Positive unconditional cache size: 602, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86 ], Maximal queried relation: 0, Independence queries for same thread: 352378 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26402473, positive: 25091761, positive conditional: 25091761, positive unconditional: 0, negative: 1310712, negative conditional: 1310712, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25461745, positive: 25091761, positive conditional: 25091761, positive unconditional: 0, negative: 369984, negative conditional: 369984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25461745, positive: 21002052, positive conditional: 0, positive unconditional: 21002052, negative: 4459693, negative conditional: 0, negative unconditional: 4459693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 852, positive: 739, positive conditional: 0, positive unconditional: 739, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 852, positive: 626, positive conditional: 0, positive unconditional: 626, negative: 226, negative conditional: 0, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25461745, positive: 21001313, positive conditional: 0, positive unconditional: 21001313, negative: 4459580, negative conditional: 0, negative unconditional: 4459580, unknown: 852, unknown conditional: 0, unknown unconditional: 852] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157, SemanticConditionEliminator.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12497882, positive: 4089709, positive conditional: 4089709, positive unconditional: 0, negative: 8408173, negative conditional: 1923016, negative unconditional: 6485157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3312, positive: 2423, positive conditional: 2310, positive unconditional: 113, negative: 889, negative conditional: 776, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4419, positive: 3538, positive conditional: 3369, positive unconditional: 169, negative: 881, negative conditional: 749, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12497882, positive: 4087399, positive conditional: 4087399, positive unconditional: 0, negative: 8407397, negative conditional: 1922240, negative unconditional: 6485157, unknown: 3086, unknown conditional: 3086, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3938, Positive cache size: 3049, Positive conditional cache size: 2310, Positive unconditional cache size: 739, Negative cache size: 889, Negative conditional cache size: 776, Negative unconditional cache size: 113, Eliminated conditions: 6485157 ], Maximal queried relation: 8, Independence queries for same thread: 940728 - PositiveResult [Line: 40]: 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6847.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 6776.5ms, 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: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 130048.5ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 126417.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 76, 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: 41.7ms SsaConstructionTime, 241.3ms SatisfiabilityAnalysisTime, 1681.3ms InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 505 ConstructedInterpolants, 0 QuantifiedInterpolants, 2720 SizeOfPredicates, 5 NumberOfNonLiveVariables, 518 ConjunctsInSsa, 295 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 209/388 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...