/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:50:25,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:50:25,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:50:25,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:50:25,332 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-Random7777.epf [2021-07-01 11:50:25,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:50:25,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:50:25,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:50:25,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:50:25,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:50:25,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:50:25,374 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:50:25,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:50:25,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:50:25,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:50:25,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:50:25,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:50:25,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:50:25,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:50:25,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:50:25,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:50:25,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:50:25,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:50:25,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:50:25,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:50:25,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:50:25,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:50:25,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:50:25,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:50:25,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:50:25,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:50:25,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:50:25,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:50:25,378 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:50:25,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:50:25,378 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:50:25,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:50:25,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:50:25,379 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:50:25,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:50:25,379 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:50:25,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:50:25,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:50:25,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:50:25,738 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:50:25,739 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:50:25,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl [2021-07-01 11:50:25,740 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl' [2021-07-01 11:50:25,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:50:25,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:50:25,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:25,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:50:25,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:50:25,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:25,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:50:25,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:50:25,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:50:25,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:50:25,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:50:25,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:50:25,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:50:25,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (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 11:50:25,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:50:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:50:25,903 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:50:25,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:50:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:50:25,904 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:50:25,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:50:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:50:25,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:50:25,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:50:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:50:25,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:50:25,906 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 11:50:26,205 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:50:26,205 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:50:26,206 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:50:26,207 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:50:26,209 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:50:26 BoogieIcfgContainer [2021-07-01 11:50:26,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:50:26,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:50:26,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:50:26,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:50:26,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/2) ... [2021-07-01 11:50:26,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3c0dab and model type bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:50:26, skipping insertion in model container [2021-07-01 11:50:26,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:50:26" (2/2) ... [2021-07-01 11:50:26,216 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct07.bpl [2021-07-01 11:50:26,221 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:50:26,221 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:50:26,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:50:26,222 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:50:26,303 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:50:26,324 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 [2021-07-01 11:50:26,383 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:50:26,383 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:50:26,384 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:50:26,384 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:50:26,384 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:50:26,384 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:50:26,384 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:50:26,384 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:50:37,755 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:50:37,757 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 11:50:37,769 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:50:37,770 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:50:37,770 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:50:37,770 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:50:37,770 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:50:37,770 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:50:37,770 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:50:37,770 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:50:37,801 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:37,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:37,805 INFO L82 PathProgramCache]: Analyzing trace with hash -111411383, now seen corresponding path program 1 times [2021-07-01 11:50:37,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:37,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139549662] [2021-07-01 11:50:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:37,907 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 11:50:37,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:37,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139549662] [2021-07-01 11:50:37,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139549662] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:37,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:37,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:50:37,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47364841] [2021-07-01 11:50:37,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:50:37,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:37,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:50:37,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:50:37,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:37,923 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:37,924 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 11:50:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:37,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:37,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:50:37,952 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:37,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:37,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1593497746, now seen corresponding path program 1 times [2021-07-01 11:50:37,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:37,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508766186] [2021-07-01 11:50:37,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:50:37,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:37,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508766186] [2021-07-01 11:50:37,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508766186] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:37,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:37,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:50:37,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155009293] [2021-07-01 11:50:37,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:50:37,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:37,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:50:37,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:50:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:37,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:37,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 11:50:37,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:37,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:50:38,262 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:38,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:38,263 INFO L82 PathProgramCache]: Analyzing trace with hash -252004163, now seen corresponding path program 1 times [2021-07-01 11:50:38,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:38,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626781078] [2021-07-01 11:50:38,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:38,312 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 11:50:38,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:38,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626781078] [2021-07-01 11:50:38,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626781078] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:38,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:38,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 11:50:38,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131096455] [2021-07-01 11:50:38,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:50:38,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:38,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:50:38,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:50:38,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:38,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:38,315 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) [2021-07-01 11:50:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:38,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:50:38,693 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:38,693 INFO L82 PathProgramCache]: Analyzing trace with hash -880907757, now seen corresponding path program 1 times [2021-07-01 11:50:38,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:38,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902648607] [2021-07-01 11:50:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:50:38,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:38,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902648607] [2021-07-01 11:50:38,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902648607] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:38,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:38,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:50:38,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277527128] [2021-07-01 11:50:38,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:50:38,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:38,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:50:38,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:50:38,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:38,992 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:38,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 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 11:50:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:39,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 11:50:39,592 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:39,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:39,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1089787221, now seen corresponding path program 2 times [2021-07-01 11:50:39,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:39,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650713072] [2021-07-01 11:50:39,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:50:39,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:39,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650713072] [2021-07-01 11:50:39,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650713072] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:39,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:39,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 11:50:39,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580328678] [2021-07-01 11:50:39,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:50:39,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:39,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:50:39,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:50:39,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:39,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:39,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 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 11:50:39,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:39,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:39,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:39,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:39,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:40,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:50:40,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-01 11:50:40,465 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:40,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:40,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1008100642, now seen corresponding path program 1 times [2021-07-01 11:50:40,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:40,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604924377] [2021-07-01 11:50:40,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:50:40,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:40,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604924377] [2021-07-01 11:50:40,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604924377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:40,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607533198] [2021-07-01 11:50:40,610 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 11:50:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:40,672 WARN L261 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-01 11:50:40,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:50:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:50:40,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607533198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:40,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:50:40,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-01 11:50:40,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18156958] [2021-07-01 11:50:40,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:50:40,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:40,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:50:40,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:50:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:40,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:40,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 14 states have internal predecessors, (75), 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 11:50:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:50:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:50:43,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:50:43,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:50:43,801 INFO L430 AbstractCegarLoop]: === Iteration 7 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:43,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:43,801 INFO L82 PathProgramCache]: Analyzing trace with hash 188953319, now seen corresponding path program 1 times [2021-07-01 11:50:43,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:43,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161826579] [2021-07-01 11:50:43,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:50:43,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:43,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161826579] [2021-07-01 11:50:43,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161826579] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:43,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155565143] [2021-07-01 11:50:43,931 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 11:50:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:43,976 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-01 11:50:43,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:50:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:50:44,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155565143] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:44,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:50:44,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-01 11:50:44,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998758793] [2021-07-01 11:50:44,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-01 11:50:44,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:44,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-01 11:50:44,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-07-01 11:50:44,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:44,180 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:44,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.0) internal successors, (85), 16 states have internal predecessors, (85), 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 11:50:44,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:44,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:44,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:44,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:50:44,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:50:44,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:56,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:56,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:50:56,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:50:56,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:50:56,297 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:50:56,298 INFO L430 AbstractCegarLoop]: === Iteration 8 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:56,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:56,298 INFO L82 PathProgramCache]: Analyzing trace with hash 953189369, now seen corresponding path program 1 times [2021-07-01 11:50:56,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:56,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259911462] [2021-07-01 11:50:56,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:50:56,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:56,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259911462] [2021-07-01 11:50:56,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259911462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:56,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975450009] [2021-07-01 11:50:56,452 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 11:50:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:56,499 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-01 11:50:56,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:50:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:50:56,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975450009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:56,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:50:56,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-01 11:50:56,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488031030] [2021-07-01 11:50:56,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-01 11:50:56,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:56,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-01 11:50:56,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-07-01 11:50:56,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:56,700 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:56,700 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 18 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 11:50:56,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:50:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:50:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:50:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:50:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:50:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:51:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:51:41,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-01 11:51:41,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:41,429 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:51:41,429 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:51:41,432 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:51:41 BasicIcfg [2021-07-01 11:51:41,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:51:41,432 INFO L168 Benchmark]: Toolchain (without parser) took 75659.81 ms. Allocated memory was 176.2 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 155.4 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. [2021-07-01 11:51:41,433 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 176.2 MB. Free memory is still 156.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:51:41,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.51 ms. Allocated memory is still 176.2 MB. Free memory was 155.3 MB in the beginning and 153.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:41,433 INFO L168 Benchmark]: Boogie Preprocessor took 15.51 ms. Allocated memory is still 176.2 MB. Free memory was 153.5 MB in the beginning and 152.6 MB in the end (delta: 914.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:41,434 INFO L168 Benchmark]: RCFGBuilder took 386.49 ms. Allocated memory is still 176.2 MB. Free memory was 152.5 MB in the beginning and 137.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:41,434 INFO L168 Benchmark]: TraceAbstraction took 75220.91 ms. Allocated memory was 176.2 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 136.9 MB in the beginning and 4.4 GB in the end (delta: -4.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-07-01 11:51:41,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 176.2 MB. Free memory is still 156.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.51 ms. Allocated memory is still 176.2 MB. Free memory was 155.3 MB in the beginning and 153.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.51 ms. Allocated memory is still 176.2 MB. Free memory was 153.5 MB in the beginning and 152.6 MB in the end (delta: 914.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 386.49 ms. Allocated memory is still 176.2 MB. Free memory was 152.5 MB in the beginning and 137.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 75220.91 ms. Allocated memory was 176.2 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 136.9 MB in the beginning and 4.4 GB in the end (delta: -4.3 GB). Peak memory consumption was 2.9 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: 4981388, positive: 3753198, positive conditional: 3753198, positive unconditional: 0, negative: 1228190, negative conditional: 1228190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4560254, positive: 3753198, positive conditional: 3753198, positive unconditional: 0, negative: 807056, negative conditional: 807056, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4560254, positive: 3753198, positive conditional: 0, positive unconditional: 3753198, negative: 807056, negative conditional: 0, negative unconditional: 807056, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 680, positive: 594, positive conditional: 0, positive unconditional: 594, 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: 680, positive: 511, positive conditional: 0, positive unconditional: 511, negative: 169, negative conditional: 0, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 169, positive: 83, positive conditional: 0, positive unconditional: 83, 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: 169, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 604, positive: 358, positive conditional: 0, positive unconditional: 358, negative: 247, negative conditional: 0, negative unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4560254, positive: 3752604, positive conditional: 0, positive unconditional: 3752604, negative: 806970, negative conditional: 0, negative unconditional: 806970, unknown: 680, unknown conditional: 0, unknown unconditional: 680] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 594, Positive conditional cache size: 0, Positive unconditional cache size: 594, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86 ], Maximal queried relation: 0, Independence queries for same thread: 421134 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13376088, positive: 12514138, positive conditional: 12514138, positive unconditional: 0, negative: 861950, negative conditional: 861950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12705944, positive: 12514138, positive conditional: 12514138, positive unconditional: 0, negative: 191806, negative conditional: 191806, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12705944, positive: 10421463, positive conditional: 0, positive unconditional: 10421463, negative: 2284481, negative conditional: 0, negative unconditional: 2284481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, positive: 656, positive conditional: 0, positive unconditional: 656, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, positive: 553, positive conditional: 0, positive unconditional: 553, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12705944, positive: 10420807, positive conditional: 0, positive unconditional: 10420807, negative: 2284381, negative conditional: 0, negative unconditional: 2284381, unknown: 756, unknown conditional: 0, unknown unconditional: 756] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915, SemanticConditionEliminator.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7326382, positive: 2092675, positive conditional: 2092675, positive unconditional: 0, negative: 5233707, negative conditional: 1066792, negative unconditional: 4166915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1695, positive: 1059, positive conditional: 956, positive unconditional: 103, negative: 636, negative conditional: 536, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2259, positive: 1446, positive conditional: 1220, positive unconditional: 226, negative: 813, negative conditional: 697, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7326382, positive: 2091719, positive conditional: 2091719, positive unconditional: 0, negative: 5233171, negative conditional: 1066256, negative unconditional: 4166915, unknown: 1492, unknown conditional: 1492, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2248, Positive cache size: 1612, Positive conditional cache size: 956, Positive unconditional cache size: 656, Negative cache size: 636, Negative conditional cache size: 536, Negative unconditional cache size: 100, Eliminated conditions: 4166915 ], Maximal queried relation: 8, Independence queries for same thread: 670144 - 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: 11403.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 11350.2ms, 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: 63670.1ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 61059.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 68, 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: 33.2ms SsaConstructionTime, 168.9ms SatisfiabilityAnalysisTime, 1561.8ms InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1897 SizeOfPredicates, 3 NumberOfNonLiveVariables, 285 ConjunctsInSsa, 162 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 59/124 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...