/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d310483fe8b4879eee5de19363f50e4b839cc4ec-d310483 [2021-06-24 20:07:04,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 20:07:04,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 20:07:04,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-24 20:07:04,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-24 20:07:04,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-24 20:07:04,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-24 20:07:04,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-24 20:07:04,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-24 20:07:04,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-24 20:07:04,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-24 20:07:04,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-24 20:07:04,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-24 20:07:04,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-24 20:07:04,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-24 20:07:04,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-24 20:07:04,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-24 20:07:04,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-24 20:07:04,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 20:07:04,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 20:07:04,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 20:07:04,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 20:07:04,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 20:07:04,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 20:07:04,219 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 20:07:04,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 20:07:04,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 20:07:04,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 20:07:04,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 20:07:04,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 20:07:04,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 20:07:04,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 20:07:04,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 20:07:04,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 20:07:04,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 20:07:04,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 20:07:04,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 20:07:04,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 20:07:04,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 20:07:04,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 20:07:04,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 20:07:04,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 20:07:04,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 20:07:04,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 20:07:04,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 20:07:04,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 20:07:04,223 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-24 20:07:04,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 20:07:04,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 20:07:04,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 20:07:04,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 20:07:04,224 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-24 20:07:04,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 20:07:04,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 20:07:04,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 20:07:04,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 20:07:04,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 20:07:04,581 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 20:07:04,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl [2021-06-24 20:07:04,582 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth03.bpl' [2021-06-24 20:07:04,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 20:07:04,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 20:07:04,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 20:07:04,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 20:07:04,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 20:07:04,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 20:07:04,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 20:07:04,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 20:07:04,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 20:07:04,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... [2021-06-24 20:07:04,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 20:07:04,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 20:07:04,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 20:07:04,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 20:07:04,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 20:07:04,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 20:07:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 20:07:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 20:07:04,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 20:07:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 20:07:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 20:07:04,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 20:07:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 20:07:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 20:07:04,753 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-24 20:07:05,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 20:07:05,037 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 20:07:05,038 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 20:07:05,040 INFO L202 PluginConnector]: Adding new model bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:07:05 BoogieIcfgContainer [2021-06-24 20:07:05,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 20:07:05,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 20:07:05,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 20:07:05,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 20:07:05,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:07:04" (1/2) ... [2021-06-24 20:07:05,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11deb875 and model type bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 08:07:05, skipping insertion in model container [2021-06-24 20:07:05,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:07:05" (2/2) ... [2021-06-24 20:07:05,047 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth03.bpl [2021-06-24 20:07:05,052 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 20:07:05,052 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 20:07:05,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 20:07:05,053 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 20:07:05,083 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 20:07:05,103 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:07:05,152 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:07:05,153 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:07:05,153 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:07:05,153 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:07:05,153 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:07:05,153 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:07:05,153 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:07:05,153 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 20:07:05,588 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/4) [2021-06-24 20:07:05,589 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:07:05,603 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:07:05,603 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:07:05,603 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:07:05,603 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:07:05,603 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:07:05,603 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:07:05,603 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:07:05,604 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== [2021-06-24 20:07:05,648 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:05,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:05,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2032530015, now seen corresponding path program 1 times [2021-06-24 20:07:05,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:05,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914783416] [2021-06-24 20:07:05,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:05,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:05,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914783416] [2021-06-24 20:07:05,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914783416] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:05,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:05,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:07:05,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040591182] [2021-06-24 20:07:05,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:07:05,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:05,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:07:05,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:07:05,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:05,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:05,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:05,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:05,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:05,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 20:07:05,814 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:05,815 INFO L82 PathProgramCache]: Analyzing trace with hash 612720348, now seen corresponding path program 1 times [2021-06-24 20:07:05,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:05,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831520641] [2021-06-24 20:07:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:05,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:05,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831520641] [2021-06-24 20:07:05,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831520641] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:05,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:05,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 20:07:05,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610937691] [2021-06-24 20:07:05,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:07:05,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:05,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:07:05,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:07:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:05,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:05,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:05,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:05,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:05,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 20:07:05,873 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:05,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:05,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1682748412, now seen corresponding path program 1 times [2021-06-24 20:07:05,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:05,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277189105] [2021-06-24 20:07:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:05,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:05,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277189105] [2021-06-24 20:07:05,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277189105] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:05,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:05,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 20:07:05,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370536822] [2021-06-24 20:07:05,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 20:07:05,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:05,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 20:07:05,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 20:07:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:05,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:05,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:06,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:06,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-24 20:07:06,101 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:06,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:06,102 INFO L82 PathProgramCache]: Analyzing trace with hash 488021017, now seen corresponding path program 1 times [2021-06-24 20:07:06,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:06,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865419183] [2021-06-24 20:07:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:07:06,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:06,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865419183] [2021-06-24 20:07:06,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865419183] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:06,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:06,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 20:07:06,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271445222] [2021-06-24 20:07:06,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 20:07:06,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:06,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 20:07:06,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 20:07:06,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:06,232 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:06,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:06,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:06,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:06,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:06,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:06,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:07:06,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-24 20:07:06,668 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:06,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:06,669 INFO L82 PathProgramCache]: Analyzing trace with hash -569562591, now seen corresponding path program 1 times [2021-06-24 20:07:06,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:06,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981014006] [2021-06-24 20:07:06,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 20:07:06,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:06,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981014006] [2021-06-24 20:07:06,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981014006] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:06,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119732636] [2021-06-24 20:07:06,829 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 [2021-06-24 20:07:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:06,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-24 20:07:06,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:07:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 20:07:07,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119732636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:07,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:07:07,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-24 20:07:07,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324887734] [2021-06-24 20:07:07,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-24 20:07:07,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:07,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-24 20:07:07,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-06-24 20:07:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:07,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:07,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:07:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:07:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:07:07,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:07:07,875 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (2/4) [2021-06-24 20:07:07,876 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:07:07,881 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:07:07,882 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:07:07,882 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:07:07,882 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:07:07,882 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:07:07,882 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:07:07,882 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:07:07,882 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork3======== [2021-06-24 20:07:07,929 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:07,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:07,929 INFO L82 PathProgramCache]: Analyzing trace with hash -653122835, now seen corresponding path program 1 times [2021-06-24 20:07:07,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:07,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209451670] [2021-06-24 20:07:07,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:07,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:07,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209451670] [2021-06-24 20:07:07,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209451670] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:07,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:07,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:07:07,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315262472] [2021-06-24 20:07:07,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:07:07,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:07,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:07:07,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:07:07,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:07,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:07,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-06-24 20:07:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:07,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:07,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-24 20:07:07,977 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:07,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:07,977 INFO L82 PathProgramCache]: Analyzing trace with hash 413731415, now seen corresponding path program 1 times [2021-06-24 20:07:07,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:07,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271422480] [2021-06-24 20:07:07,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:07,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:07,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271422480] [2021-06-24 20:07:07,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271422480] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:07,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:07,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 20:07:07,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038120118] [2021-06-24 20:07:07,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:07:07,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:07,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:07:07,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:07:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:07,991 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:07,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:07,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:07,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-24 20:07:08,010 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:08,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:08,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1625697611, now seen corresponding path program 1 times [2021-06-24 20:07:08,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:08,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44742803] [2021-06-24 20:07:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:08,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:08,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:08,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44742803] [2021-06-24 20:07:08,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44742803] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:08,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:08,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 20:07:08,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599774679] [2021-06-24 20:07:08,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 20:07:08,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:08,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 20:07:08,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 20:07:08,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:08,047 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:08,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:08,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:08,123 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-24 20:07:08,124 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:08,124 INFO L82 PathProgramCache]: Analyzing trace with hash 803813367, now seen corresponding path program 1 times [2021-06-24 20:07:08,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:08,124 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110944595] [2021-06-24 20:07:08,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:08,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:08,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110944595] [2021-06-24 20:07:08,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110944595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:08,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441206819] [2021-06-24 20:07:08,198 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 [2021-06-24 20:07:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:08,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-24 20:07:08,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:07:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:08,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441206819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:08,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:07:08,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-24 20:07:08,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199088040] [2021-06-24 20:07:08,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 20:07:08,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:08,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 20:07:08,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 20:07:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:08,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:08,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:07:08,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-24 20:07:08,813 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:08,813 INFO L82 PathProgramCache]: Analyzing trace with hash -345025142, now seen corresponding path program 1 times [2021-06-24 20:07:08,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:08,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18287668] [2021-06-24 20:07:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:08,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:08,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18287668] [2021-06-24 20:07:08,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18287668] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:08,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783710367] [2021-06-24 20:07:08,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:07:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:08,938 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-24 20:07:08,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:07:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:09,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783710367] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:09,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:07:09,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-24 20:07:09,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337577727] [2021-06-24 20:07:09,070 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-24 20:07:09,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:09,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-24 20:07:09,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-06-24 20:07:09,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:09,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:09,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:09,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:07:09,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:07:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:07:09,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:07:09,719 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork3 was SAFE (3/4) [2021-06-24 20:07:09,720 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:07:09,725 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:07:09,726 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:07:09,726 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:07:09,726 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:07:09,726 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:07:09,726 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:07:09,726 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:07:09,726 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 20:07:09,762 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:09,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:09,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1820654230, now seen corresponding path program 1 times [2021-06-24 20:07:09,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:09,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671600181] [2021-06-24 20:07:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:09,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:09,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671600181] [2021-06-24 20:07:09,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671600181] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:09,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:09,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:07:09,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849715563] [2021-06-24 20:07:09,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:07:09,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:09,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:07:09,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:07:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:09,778 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) [2021-06-24 20:07:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-24 20:07:09,803 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:09,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:09,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1028569421, now seen corresponding path program 1 times [2021-06-24 20:07:09,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:09,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334474918] [2021-06-24 20:07:09,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:09,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:09,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334474918] [2021-06-24 20:07:09,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334474918] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:09,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:09,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 20:07:09,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019008004] [2021-06-24 20:07:09,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:07:09,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:09,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:07:09,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:07:09,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:09,821 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) [2021-06-24 20:07:09,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-24 20:07:09,852 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:09,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:09,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1426499306, now seen corresponding path program 1 times [2021-06-24 20:07:09,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:09,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177556637] [2021-06-24 20:07:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:09,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:09,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177556637] [2021-06-24 20:07:09,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177556637] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:07:09,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:07:09,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 20:07:09,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119085119] [2021-06-24 20:07:09,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 20:07:09,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:09,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 20:07:09,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 20:07:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:09,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:09,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:09,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-24 20:07:09,987 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:09,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:09,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1641170027, now seen corresponding path program 1 times [2021-06-24 20:07:09,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:09,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530680351] [2021-06-24 20:07:09,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:10,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:10,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530680351] [2021-06-24 20:07:10,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530680351] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:10,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656056873] [2021-06-24 20:07:10,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:07:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:10,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-24 20:07:10,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:07:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:10,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656056873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:10,211 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:07:10,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-24 20:07:10,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970960551] [2021-06-24 20:07:10,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-24 20:07:10,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:10,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-24 20:07:10,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-06-24 20:07:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:10,212 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:10,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:07:10,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-24 20:07:10,660 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:07:10,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:07:10,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1240107157, now seen corresponding path program 1 times [2021-06-24 20:07:10,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:07:10,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600097608] [2021-06-24 20:07:10,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:07:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:10,716 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:07:10,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600097608] [2021-06-24 20:07:10,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600097608] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:10,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033509555] [2021-06-24 20:07:10,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:07:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:07:10,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-24 20:07:10,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:07:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 20:07:10,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033509555] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:07:10,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:07:10,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-24 20:07:10,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601984789] [2021-06-24 20:07:10,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-24 20:07:10,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:07:10,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-24 20:07:10,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-06-24 20:07:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:10,844 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:07:10,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:07:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:07:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:07:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:07:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:07:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-24 20:07:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:07:11,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-24 20:07:11,486 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (4/4) [2021-06-24 20:07:11,487 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 20:07:11,489 INFO L202 PluginConnector]: Adding new model bluetooth03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:07:11 BasicIcfg [2021-06-24 20:07:11,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 20:07:11,490 INFO L168 Benchmark]: Toolchain (without parser) took 6884.80 ms. Allocated memory was 185.6 MB in the beginning and 345.0 MB in the end (delta: 159.4 MB). Free memory was 164.7 MB in the beginning and 215.9 MB in the end (delta: -51.2 MB). Peak memory consumption was 108.8 MB. Max. memory is 8.0 GB. [2021-06-24 20:07:11,490 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 185.6 MB. Free memory is still 165.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 20:07:11,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.40 ms. Allocated memory is still 185.6 MB. Free memory was 164.6 MB in the beginning and 162.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-24 20:07:11,491 INFO L168 Benchmark]: Boogie Preprocessor took 19.20 ms. Allocated memory is still 185.6 MB. Free memory was 162.8 MB in the beginning and 162.0 MB in the end (delta: 854.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 20:07:11,491 INFO L168 Benchmark]: RCFGBuilder took 371.98 ms. Allocated memory is still 185.6 MB. Free memory was 161.9 MB in the beginning and 149.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-24 20:07:11,491 INFO L168 Benchmark]: TraceAbstraction took 6448.27 ms. Allocated memory was 185.6 MB in the beginning and 345.0 MB in the end (delta: 159.4 MB). Free memory was 148.6 MB in the beginning and 215.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 93.1 MB. Max. memory is 8.0 GB. [2021-06-24 20:07:11,491 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 0.14 ms. Allocated memory is still 185.6 MB. Free memory is still 165.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.40 ms. Allocated memory is still 185.6 MB. Free memory was 164.6 MB in the beginning and 162.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.20 ms. Allocated memory is still 185.6 MB. Free memory was 162.8 MB in the beginning and 162.0 MB in the end (delta: 854.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 371.98 ms. Allocated memory is still 185.6 MB. Free memory was 161.9 MB in the beginning and 149.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6448.27 ms. Allocated memory was 185.6 MB in the beginning and 345.0 MB in the end (delta: 159.4 MB). Free memory was 148.6 MB in the beginning and 215.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 93.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1787, positive: 1326, positive conditional: 1326, positive unconditional: 0, negative: 461, negative conditional: 461, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1485, positive: 1326, positive conditional: 1326, positive unconditional: 0, negative: 159, negative conditional: 159, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1485, positive: 1326, positive conditional: 0, positive unconditional: 1326, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 167, positive: 151, positive conditional: 0, positive unconditional: 151, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 167, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 218, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1485, positive: 1175, positive conditional: 0, positive unconditional: 1175, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 167, unknown conditional: 0, unknown unconditional: 167] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 151, Positive conditional cache size: 0, Positive unconditional cache size: 151, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 ], Maximal queried relation: 0, Independence queries for same thread: 302 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29163, positive: 26736, positive conditional: 26736, positive unconditional: 0, negative: 2427, negative conditional: 2427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 27259, positive: 26736, positive conditional: 26736, positive unconditional: 0, negative: 523, negative conditional: 523, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 27259, positive: 24384, positive conditional: 0, positive unconditional: 24384, negative: 2875, negative conditional: 0, negative unconditional: 2875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 300, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 300, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 74, negative conditional: 50, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 189, positive conditional: 113, positive unconditional: 76, negative: 204, negative conditional: 89, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27259, positive: 24108, positive conditional: 0, positive unconditional: 24108, negative: 2851, negative conditional: 0, negative unconditional: 2851, unknown: 300, unknown conditional: 0, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 329, Positive conditional cache size: 53, Positive unconditional cache size: 276, Negative cache size: 74, Negative conditional cache size: 50, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 74, negative conditional: 50, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 189, positive conditional: 113, positive unconditional: 76, negative: 204, negative conditional: 89, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6356, positive: 2299, positive conditional: 2299, positive unconditional: 0, negative: 3954, negative conditional: 1341, negative unconditional: 2613, unknown: 103, unknown conditional: 103, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 329, Positive conditional cache size: 53, Positive unconditional cache size: 276, Negative cache size: 74, Negative conditional cache size: 50, Negative unconditional cache size: 24, Eliminated conditions: 2613, SemanticConditionEliminator.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 74, negative conditional: 50, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 189, positive conditional: 113, positive unconditional: 76, negative: 204, negative conditional: 89, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6356, positive: 2299, positive conditional: 2299, positive unconditional: 0, negative: 3954, negative conditional: 1341, negative unconditional: 2613, unknown: 103, unknown conditional: 103, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 329, Positive conditional cache size: 53, Positive unconditional cache size: 276, Negative cache size: 74, Negative conditional cache size: 50, Negative unconditional cache size: 24, Eliminated conditions: 2613, SemanticConditionEliminator.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 74, negative conditional: 50, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 189, positive conditional: 113, positive unconditional: 76, negative: 204, negative conditional: 89, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6356, positive: 2299, positive conditional: 2299, positive unconditional: 0, negative: 3954, negative conditional: 1341, negative unconditional: 2613, unknown: 103, unknown conditional: 103, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 329, Positive conditional cache size: 53, Positive unconditional cache size: 276, Negative cache size: 74, Negative conditional cache size: 50, Negative unconditional cache size: 24, Eliminated conditions: 2613, SemanticConditionEliminator.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 74, negative conditional: 50, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 189, positive conditional: 113, positive unconditional: 76, negative: 204, negative conditional: 89, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6356, positive: 2299, positive conditional: 2299, positive unconditional: 0, negative: 3954, negative conditional: 1341, negative unconditional: 2613, unknown: 103, unknown conditional: 103, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 329, Positive conditional cache size: 53, Positive unconditional cache size: 276, Negative cache size: 74, Negative conditional cache size: 50, Negative unconditional cache size: 24, Eliminated conditions: 2613, SemanticConditionEliminator.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6356, positive: 2352, positive conditional: 2352, positive unconditional: 0, negative: 4004, negative conditional: 1391, negative unconditional: 2613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 74, negative conditional: 50, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 189, positive conditional: 113, positive unconditional: 76, negative: 204, negative conditional: 89, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6356, positive: 2299, positive conditional: 2299, positive unconditional: 0, negative: 3954, negative conditional: 1341, negative unconditional: 2613, unknown: 103, unknown conditional: 103, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 329, Positive conditional cache size: 53, Positive unconditional cache size: 276, Negative cache size: 74, Negative conditional cache size: 50, Negative unconditional cache size: 24, Eliminated conditions: 2613 ], Maximal queried relation: 5, Independence queries for same thread: 1904 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30876, positive: 28318, positive conditional: 28318, positive unconditional: 0, negative: 2558, negative conditional: 2558, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28889, positive: 28318, positive conditional: 28318, positive unconditional: 0, negative: 571, negative conditional: 571, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 28889, positive: 25896, positive conditional: 0, positive unconditional: 25896, negative: 2993, negative conditional: 0, negative unconditional: 2993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 296, positive: 273, positive conditional: 0, positive unconditional: 273, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 296, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 72, negative conditional: 49, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 120, positive conditional: 68, positive unconditional: 53, negative: 131, negative conditional: 64, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28889, positive: 25623, positive conditional: 0, positive unconditional: 25623, negative: 2970, negative conditional: 0, negative unconditional: 2970, unknown: 296, unknown conditional: 0, unknown unconditional: 296] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 326, Positive conditional cache size: 53, Positive unconditional cache size: 273, Negative cache size: 72, Negative conditional cache size: 49, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 72, negative conditional: 49, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 120, positive conditional: 68, positive unconditional: 53, negative: 131, negative conditional: 64, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6700, positive: 2369, positive conditional: 2369, positive unconditional: 0, negative: 4229, negative conditional: 1394, negative unconditional: 2835, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 326, Positive conditional cache size: 53, Positive unconditional cache size: 273, Negative cache size: 72, Negative conditional cache size: 49, Negative unconditional cache size: 23, Eliminated conditions: 2835, SemanticConditionEliminator.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 72, negative conditional: 49, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 120, positive conditional: 68, positive unconditional: 53, negative: 131, negative conditional: 64, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6700, positive: 2369, positive conditional: 2369, positive unconditional: 0, negative: 4229, negative conditional: 1394, negative unconditional: 2835, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 326, Positive conditional cache size: 53, Positive unconditional cache size: 273, Negative cache size: 72, Negative conditional cache size: 49, Negative unconditional cache size: 23, Eliminated conditions: 2835, SemanticConditionEliminator.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 72, negative conditional: 49, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 120, positive conditional: 68, positive unconditional: 53, negative: 131, negative conditional: 64, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6700, positive: 2369, positive conditional: 2369, positive unconditional: 0, negative: 4229, negative conditional: 1394, negative unconditional: 2835, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 326, Positive conditional cache size: 53, Positive unconditional cache size: 273, Negative cache size: 72, Negative conditional cache size: 49, Negative unconditional cache size: 23, Eliminated conditions: 2835, SemanticConditionEliminator.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 72, negative conditional: 49, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 120, positive conditional: 68, positive unconditional: 53, negative: 131, negative conditional: 64, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6700, positive: 2369, positive conditional: 2369, positive unconditional: 0, negative: 4229, negative conditional: 1394, negative unconditional: 2835, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 326, Positive conditional cache size: 53, Positive unconditional cache size: 273, Negative cache size: 72, Negative conditional cache size: 49, Negative unconditional cache size: 23, Eliminated conditions: 2835, SemanticConditionEliminator.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6700, positive: 2422, positive conditional: 2422, positive unconditional: 0, negative: 4278, negative conditional: 1443, negative unconditional: 2835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 80, positive conditional: 53, positive unconditional: 27, negative: 72, negative conditional: 49, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 120, positive conditional: 68, positive unconditional: 53, negative: 131, negative conditional: 64, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6700, positive: 2369, positive conditional: 2369, positive unconditional: 0, negative: 4229, negative conditional: 1394, negative unconditional: 2835, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 326, Positive conditional cache size: 53, Positive unconditional cache size: 273, Negative cache size: 72, Negative conditional cache size: 49, Negative unconditional cache size: 23, Eliminated conditions: 2835 ], Maximal queried relation: 5, Independence queries for same thread: 1987 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31108, positive: 28603, positive conditional: 28603, positive unconditional: 0, negative: 2505, negative conditional: 2505, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 29156, positive: 28603, positive conditional: 28603, positive unconditional: 0, negative: 553, negative conditional: 553, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 29156, positive: 26153, positive conditional: 0, positive unconditional: 26153, negative: 3003, negative conditional: 0, negative unconditional: 3003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 241, positive conditional: 0, positive unconditional: 241, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 90, positive conditional: 65, positive unconditional: 25, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 170, positive conditional: 126, positive unconditional: 44, negative: 127, negative conditional: 69, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29156, positive: 25887, positive conditional: 0, positive unconditional: 25887, negative: 2981, negative conditional: 0, negative unconditional: 2981, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 407, Positive cache size: 331, Positive conditional cache size: 65, Positive unconditional cache size: 266, Negative cache size: 76, Negative conditional cache size: 54, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 90, positive conditional: 65, positive unconditional: 25, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 170, positive conditional: 126, positive unconditional: 44, negative: 127, negative conditional: 69, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6649, positive: 2385, positive conditional: 2385, positive unconditional: 0, negative: 4145, negative conditional: 1364, negative unconditional: 2781, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 407, Positive cache size: 331, Positive conditional cache size: 65, Positive unconditional cache size: 266, Negative cache size: 76, Negative conditional cache size: 54, Negative unconditional cache size: 22, Eliminated conditions: 2781, SemanticConditionEliminator.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 90, positive conditional: 65, positive unconditional: 25, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 170, positive conditional: 126, positive unconditional: 44, negative: 127, negative conditional: 69, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6649, positive: 2385, positive conditional: 2385, positive unconditional: 0, negative: 4145, negative conditional: 1364, negative unconditional: 2781, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 407, Positive cache size: 331, Positive conditional cache size: 65, Positive unconditional cache size: 266, Negative cache size: 76, Negative conditional cache size: 54, Negative unconditional cache size: 22, Eliminated conditions: 2781, SemanticConditionEliminator.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 90, positive conditional: 65, positive unconditional: 25, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 170, positive conditional: 126, positive unconditional: 44, negative: 127, negative conditional: 69, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6649, positive: 2385, positive conditional: 2385, positive unconditional: 0, negative: 4145, negative conditional: 1364, negative unconditional: 2781, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 407, Positive cache size: 331, Positive conditional cache size: 65, Positive unconditional cache size: 266, Negative cache size: 76, Negative conditional cache size: 54, Negative unconditional cache size: 22, Eliminated conditions: 2781, SemanticConditionEliminator.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 90, positive conditional: 65, positive unconditional: 25, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 170, positive conditional: 126, positive unconditional: 44, negative: 127, negative conditional: 69, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6649, positive: 2385, positive conditional: 2385, positive unconditional: 0, negative: 4145, negative conditional: 1364, negative unconditional: 2781, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 407, Positive cache size: 331, Positive conditional cache size: 65, Positive unconditional cache size: 266, Negative cache size: 76, Negative conditional cache size: 54, Negative unconditional cache size: 22, Eliminated conditions: 2781, SemanticConditionEliminator.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6649, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 4199, negative conditional: 1418, negative unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 90, positive conditional: 65, positive unconditional: 25, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 170, positive conditional: 126, positive unconditional: 44, negative: 127, negative conditional: 69, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6649, positive: 2385, positive conditional: 2385, positive unconditional: 0, negative: 4145, negative conditional: 1364, negative unconditional: 2781, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 407, Positive cache size: 331, Positive conditional cache size: 65, Positive unconditional cache size: 266, Negative cache size: 76, Negative conditional cache size: 54, Negative unconditional cache size: 22, Eliminated conditions: 2781 ], Maximal queried relation: 5, Independence queries for same thread: 1952 - PositiveResult [Line: 34]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 469.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.4ms, PartialOrderReductionTime: 403.2ms, 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: DeviceThreadThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2279.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 1220.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.9ms SsaConstructionTime, 103.0ms SatisfiabilityAnalysisTime, 557.8ms InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 1 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 15/19 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork3 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1842.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 881.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.0ms SsaConstructionTime, 41.3ms SatisfiabilityAnalysisTime, 388.9ms InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 587 SizeOfPredicates, 2 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 6/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1765.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 809.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.2ms SsaConstructionTime, 37.7ms SatisfiabilityAnalysisTime, 373.7ms InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 SizeOfPredicates, 2 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 9/14 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...