/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/bluetooth-correct08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:27:08,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:27:08,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:27:08,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:27:08,170 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 [2021-07-01 11:27:08,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:27:08,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:27:08,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:27:08,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:27:08,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:27:08,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:27:08,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:27:08,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:27:08,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:27:08,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:27:08,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:27:08,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:27:08,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:27:08,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:27:08,221 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:27:08,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:27:08,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:27:08,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:27:08,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:27:08,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:27:08,482 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:27:08,482 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:27:08,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl [2021-07-01 11:27:08,483 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl' [2021-07-01 11:27:08,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:27:08,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:27:08,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:08,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:27:08,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:27:08,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:08,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:27:08,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:27:08,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:27:08,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:27:08,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:27:08,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:27:08,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:27:08,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (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 [2021-07-01 11:27:08,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:27:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:27:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:27:08,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:27:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:27:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:27:08,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:27:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:27:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:27:08,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:27:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:27:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:27:08,973 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:27:09,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:27:09,222 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:27:09,222 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:27:09,223 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:27:09,224 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:09 BoogieIcfgContainer [2021-07-01 11:27:09,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:27:09,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:27:09,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:27:09,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:27:09,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/2) ... [2021-07-01 11:27:09,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb9b65f and model type bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:09, skipping insertion in model container [2021-07-01 11:27:09,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:09" (2/2) ... [2021-07-01 11:27:09,246 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct08.bpl [2021-07-01 11:27:09,249 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:27:09,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:27:09,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:27:09,250 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:27:09,331 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:27:09,354 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 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 [2021-07-01 11:27:09,404 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:27:09,404 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:27:09,404 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:27:09,404 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:27:09,404 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:27:09,404 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:27:09,404 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:27:09,404 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:29:06,784 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:29:06,785 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 [2021-07-01 11:29:06,792 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:29:06,792 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:29:06,792 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:29:06,792 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:29:06,792 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:29:06,792 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:29:06,792 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:29:06,793 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:29:06,824 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:29:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:29:06,828 INFO L82 PathProgramCache]: Analyzing trace with hash -106371387, now seen corresponding path program 1 times [2021-07-01 11:29:06,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:29:06,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165725311] [2021-07-01 11:29:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:29:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:29:06,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:29:06,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165725311] [2021-07-01 11:29:06,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165725311] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:29:06,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:29:06,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:29:06,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205015022] [2021-07-01 11:29:06,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:29:06,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:29:06,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:29:06,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:29:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:06,930 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:29:06,930 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) [2021-07-01 11:29:06,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:29:07,111 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:29:07,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:29:07,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1804539990, now seen corresponding path program 1 times [2021-07-01 11:29:07,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:29:07,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368393274] [2021-07-01 11:29:07,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:29:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:29:07,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:29:07,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368393274] [2021-07-01 11:29:07,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368393274] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:29:07,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:29:07,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:29:07,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051080019] [2021-07-01 11:29:07,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:29:07,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:29:07,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:29:07,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:29:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:07,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:29:07,139 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) [2021-07-01 11:29:07,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:29:07,327 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:29:07,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:29:07,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1694601660, now seen corresponding path program 1 times [2021-07-01 11:29:07,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:29:07,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505441733] [2021-07-01 11:29:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:29:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:29:07,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:29:07,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505441733] [2021-07-01 11:29:07,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505441733] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:29:07,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:29:07,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 11:29:07,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739730197] [2021-07-01 11:29:07,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:29:07,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:29:07,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:29:07,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:29:07,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:07,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:29:07,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:29:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:07,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:07,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:07,702 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:29:07,702 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:29:07,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:29:07,702 INFO L82 PathProgramCache]: Analyzing trace with hash -809784828, now seen corresponding path program 1 times [2021-07-01 11:29:07,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:29:07,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172751390] [2021-07-01 11:29:07,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:29:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:29:07,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:29:07,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172751390] [2021-07-01 11:29:07,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172751390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:07,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940561229] [2021-07-01 11:29:07,785 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 [2021-07-01 11:29:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:07,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-01 11:29:07,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:29:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:29:08,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940561229] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:08,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:29:08,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-01 11:29:08,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117992090] [2021-07-01 11:29:08,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 11:29:08,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:29:08,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 11:29:08,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-01 11:29:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:08,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:29:08,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 12 states have internal predecessors, (77), 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) [2021-07-01 11:29:08,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:08,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:08,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:08,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:08,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:29:08,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:29:08,822 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:29:08,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:29:08,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1776477704, now seen corresponding path program 1 times [2021-07-01 11:29:08,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:29:08,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431440011] [2021-07-01 11:29:08,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:29:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 11:29:09,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:29:09,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431440011] [2021-07-01 11:29:09,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431440011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:09,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099544879] [2021-07-01 11:29:09,140 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 [2021-07-01 11:29:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:09,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-01 11:29:09,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:29:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 11:29:09,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099544879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:09,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:29:09,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-01 11:29:09,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049206079] [2021-07-01 11:29:09,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:29:09,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:29:09,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:29:09,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:29:09,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:09,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:29:09,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 14 states have internal predecessors, (83), 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) [2021-07-01 11:29:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:29:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:11,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:29:11,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:29:11,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:29:11,336 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:29:11,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:29:11,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1769199040, now seen corresponding path program 1 times [2021-07-01 11:29:11,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:29:11,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322285730] [2021-07-01 11:29:11,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:29:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:29:11,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:29:11,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322285730] [2021-07-01 11:29:11,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322285730] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:11,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145892058] [2021-07-01 11:29:11,486 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 [2021-07-01 11:29:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:11,602 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-01 11:29:11,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:29:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:29:11,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145892058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:11,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:29:11,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-01 11:29:11,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435863905] [2021-07-01 11:29:11,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-01 11:29:11,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:29:11,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-01 11:29:11,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-07-01 11:29:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:11,759 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:29:11,759 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 16 states have internal predecessors, (89), 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) [2021-07-01 11:29:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:29:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:29:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:36,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:29:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:29:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:29:37,165 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-01 11:29:37,167 INFO L430 AbstractCegarLoop]: === Iteration 7 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:29:37,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:29:37,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1175320204, now seen corresponding path program 1 times [2021-07-01 11:29:37,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:29:37,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345059246] [2021-07-01 11:29:37,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:29:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-01 11:29:37,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:29:37,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345059246] [2021-07-01 11:29:37,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345059246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:37,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434267179] [2021-07-01 11:29:37,315 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 [2021-07-01 11:29:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:29:37,370 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 103 conjunts are in the unsatisfiable core [2021-07-01 11:29:37,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:29:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-01 11:29:37,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434267179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:29:37,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:29:37,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 18 [2021-07-01 11:29:37,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048393619] [2021-07-01 11:29:37,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-01 11:29:37,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:29:37,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-01 11:29:37,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-07-01 11:29:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:29:37,634 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:29:37,634 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) [2021-07-01 11:29:37,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:37,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:29:37,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:29:37,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:29:37,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:29:37,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:29:37,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:32:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:32:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:32:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:32:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:32:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:32:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:32:39,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-01 11:32:39,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:32:39,434 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:32:39,434 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:32:39,436 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:32:39 BasicIcfg [2021-07-01 11:32:39,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:32:39,438 INFO L168 Benchmark]: Toolchain (without parser) took 330936.56 ms. Allocated memory was 161.5 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 141.4 MB in the beginning and 786.2 MB in the end (delta: -644.9 MB). Peak memory consumption was 6.7 GB. Max. memory is 8.0 GB. [2021-07-01 11:32:39,438 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 161.5 MB. Free memory is still 142.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:32:39,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.32 ms. Allocated memory is still 161.5 MB. Free memory was 141.4 MB in the beginning and 139.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:32:39,438 INFO L168 Benchmark]: Boogie Preprocessor took 13.70 ms. Allocated memory is still 161.5 MB. Free memory was 139.4 MB in the beginning and 138.6 MB in the end (delta: 866.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:32:39,438 INFO L168 Benchmark]: RCFGBuilder took 393.42 ms. Allocated memory is still 161.5 MB. Free memory was 138.4 MB in the beginning and 123.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:32:39,438 INFO L168 Benchmark]: TraceAbstraction took 330194.82 ms. Allocated memory was 161.5 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 122.7 MB in the beginning and 786.2 MB in the end (delta: -663.6 MB). Peak memory consumption was 6.7 GB. Max. memory is 8.0 GB. [2021-07-01 11:32:39,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 161.5 MB. Free memory is still 142.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.32 ms. Allocated memory is still 161.5 MB. Free memory was 141.4 MB in the beginning and 139.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.70 ms. Allocated memory is still 161.5 MB. Free memory was 139.4 MB in the beginning and 138.6 MB in the end (delta: 866.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 393.42 ms. Allocated memory is still 161.5 MB. Free memory was 138.4 MB in the beginning and 123.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 330194.82 ms. Allocated memory was 161.5 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 122.7 MB in the beginning and 786.2 MB in the end (delta: -663.6 MB). Peak memory consumption was 6.7 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: 68409806, positive: 52992010, positive conditional: 52992010, positive unconditional: 0, negative: 15417796, negative conditional: 15417796, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 63494955, positive: 52992010, positive conditional: 52992010, positive unconditional: 0, negative: 10502945, negative conditional: 10502945, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 63494955, positive: 52992010, positive conditional: 0, positive unconditional: 52992010, negative: 10502945, negative conditional: 0, negative unconditional: 10502945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 888, positive: 774, positive conditional: 0, positive unconditional: 774, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 888, positive: 660, positive conditional: 0, positive unconditional: 660, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 228, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 228, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 719, positive: 435, positive conditional: 0, positive unconditional: 435, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63494955, positive: 52991236, positive conditional: 0, positive unconditional: 52991236, negative: 10502831, negative conditional: 0, negative unconditional: 10502831, unknown: 888, unknown conditional: 0, unknown unconditional: 888] , Statistics on independence cache: Total cache size (in pairs): 888, Positive cache size: 774, Positive conditional cache size: 0, Positive unconditional cache size: 774, Negative cache size: 114, Negative conditional cache size: 0, Negative unconditional cache size: 114 ], Maximal queried relation: 0, Independence queries for same thread: 4914851 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37655469, positive: 35899860, positive conditional: 35899860, positive unconditional: 0, negative: 1755609, negative conditional: 1755609, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 36199562, positive: 35899860, positive conditional: 35899860, positive unconditional: 0, negative: 299702, negative conditional: 299702, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 36199562, positive: 30779662, positive conditional: 0, positive unconditional: 30779662, negative: 5419900, negative conditional: 0, negative unconditional: 5419900, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 986, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 986, positive: 715, positive conditional: 0, positive unconditional: 715, negative: 271, negative conditional: 0, negative unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36199562, positive: 30778810, positive conditional: 0, positive unconditional: 30778810, negative: 5419766, negative conditional: 0, negative unconditional: 5419766, unknown: 986, unknown conditional: 0, unknown unconditional: 986] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, SemanticConditionEliminator.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14197456, positive: 5118434, positive conditional: 5118434, positive unconditional: 0, negative: 9076634, negative conditional: 1652545, negative unconditional: 7424089, unknown: 2388, unknown conditional: 2388, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, Eliminated conditions: 7424089, SemanticConditionEliminator.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14197456, positive: 5118434, positive conditional: 5118434, positive unconditional: 0, negative: 9076634, negative conditional: 1652545, negative unconditional: 7424089, unknown: 2388, unknown conditional: 2388, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, Eliminated conditions: 7424089, SemanticConditionEliminator.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14197456, positive: 5118434, positive conditional: 5118434, positive unconditional: 0, negative: 9076634, negative conditional: 1652545, negative unconditional: 7424089, unknown: 2388, unknown conditional: 2388, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, Eliminated conditions: 7424089, SemanticConditionEliminator.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14197456, positive: 5118434, positive conditional: 5118434, positive unconditional: 0, negative: 9076634, negative conditional: 1652545, negative unconditional: 7424089, unknown: 2388, unknown conditional: 2388, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, Eliminated conditions: 7424089, SemanticConditionEliminator.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14197456, positive: 5118434, positive conditional: 5118434, positive unconditional: 0, negative: 9076634, negative conditional: 1652545, negative unconditional: 7424089, unknown: 2388, unknown conditional: 2388, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, Eliminated conditions: 7424089, SemanticConditionEliminator.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14197456, positive: 5118434, positive conditional: 5118434, positive unconditional: 0, negative: 9076634, negative conditional: 1652545, negative unconditional: 7424089, unknown: 2388, unknown conditional: 2388, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, Eliminated conditions: 7424089, SemanticConditionEliminator.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14197456, positive: 5120198, positive conditional: 5120198, positive unconditional: 0, negative: 9077258, negative conditional: 1653169, negative unconditional: 7424089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2659, positive: 1901, positive conditional: 1764, positive unconditional: 137, negative: 758, negative conditional: 624, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3240, positive: 2259, positive conditional: 2010, positive unconditional: 249, negative: 981, negative conditional: 788, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14197456, positive: 5118434, positive conditional: 5118434, positive unconditional: 0, negative: 9076634, negative conditional: 1652545, negative unconditional: 7424089, unknown: 2388, unknown conditional: 2388, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3374, Positive cache size: 2616, Positive conditional cache size: 1764, Positive unconditional cache size: 852, Negative cache size: 758, Negative conditional cache size: 624, Negative unconditional cache size: 134, Eliminated conditions: 7424089 ], Maximal queried relation: 7, Independence queries for same thread: 1455907 - PositiveResult [Line: 41]: 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 117406.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 117354.7ms, 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 212647.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 209761.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 67, 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: 30.5ms SsaConstructionTime, 177.8ms SatisfiabilityAnalysisTime, 1472.5ms InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 2296 SizeOfPredicates, 4 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 265 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 95/185 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...