/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-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:32:28,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:32:28,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:32:28,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:32:28,808 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-DelaySleep-NoLbe-Lockstep.epf [2021-07-01 10:32:28,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:32:28,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:32:28,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:32:28,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:32:28,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:32:28,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:32:28,826 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:32:28,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:32:28,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:32:28,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:32:28,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:32:28,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:32:28,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:32:28,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:32:28,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:32:28,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:32:28,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:32:28,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:32:28,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:32:28,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:32:28,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:32:28,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:32:28,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:32:28,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:32:28,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-01 10:32:28,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:32:29,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:32:29,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:32:29,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:32:29,196 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:32:29,197 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:32:29,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized04.bpl [2021-07-01 10:32:29,197 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized04.bpl' [2021-07-01 10:32:29,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:32:29,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:32:29,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:32:29,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:32:29,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:32:29,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:32:29,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:32:29,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:32:29,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:32:29,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... [2021-07-01 10:32:29,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:32:29,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:32:29,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:32:29,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:32:29,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:32:29,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 10:32:29,352 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 10:32:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 10:32:29,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:32:29,352 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:32:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:32:29,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:32:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:32:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:32:29,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:32:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:32:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:32:29,354 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 10:32:29,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:32:29,550 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 10:32:29,550 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 10:32:29,551 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:32:29,552 INFO L202 PluginConnector]: Adding new model bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:29 BoogieIcfgContainer [2021-07-01 10:32:29,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:32:29,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:32:29,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:32:29,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:32:29,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:29" (1/2) ... [2021-07-01 10:32:29,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5705ebf3 and model type bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:32:29, skipping insertion in model container [2021-07-01 10:32:29,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:29" (2/2) ... [2021-07-01 10:32:29,558 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized04.bpl [2021-07-01 10:32:29,570 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:32:29,571 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:32:29,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:32:29,571 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:32:29,622 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:32:29,655 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 10:32:29,763 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:32:29,764 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:32:29,764 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:32:29,764 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:32:29,764 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:32:29,764 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:32:29,764 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:32:29,764 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:32:30,180 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 10:32:30,181 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 10:32:30,195 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:32:30,195 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:32:30,196 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:32:30,196 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:32:30,196 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:32:30,196 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:32:30,196 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:32:30,196 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 10:32:30,222 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:30,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:30,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1568693042, now seen corresponding path program 1 times [2021-07-01 10:32:30,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:30,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700567107] [2021-07-01 10:32:30,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:32:30,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:30,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700567107] [2021-07-01 10:32:30,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700567107] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:30,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:30,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:32:30,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571254360] [2021-07-01 10:32:30,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:32:30,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:30,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:32:30,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:32:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:30,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:32:30,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:32:30,375 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:30,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:30,375 INFO L82 PathProgramCache]: Analyzing trace with hash -881879959, now seen corresponding path program 1 times [2021-07-01 10:32:30,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:30,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477530955] [2021-07-01 10:32:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:32:30,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:30,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477530955] [2021-07-01 10:32:30,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477530955] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:30,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:30,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 10:32:30,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118893298] [2021-07-01 10:32:30,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 10:32:30,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:30,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 10:32:30,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 10:32:30,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,412 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:30,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:32:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:30,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:32:30,563 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:30,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:30,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1822801200, now seen corresponding path program 1 times [2021-07-01 10:32:30,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:30,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478161202] [2021-07-01 10:32:30,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:32:30,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:30,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478161202] [2021-07-01 10:32:30,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478161202] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:30,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037043688] [2021-07-01 10:32:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-01 10:32:30,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:32:30,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037043688] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:30,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:30,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-01 10:32:30,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857058721] [2021-07-01 10:32:30,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 10:32:30,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:30,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 10:32:30,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-01 10:32:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:30,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:32:30,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:30,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:31,141 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:31,142 INFO L82 PathProgramCache]: Analyzing trace with hash 182727698, now seen corresponding path program 1 times [2021-07-01 10:32:31,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:31,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960236987] [2021-07-01 10:32:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:32:31,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:31,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960236987] [2021-07-01 10:32:31,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960236987] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:31,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277294706] [2021-07-01 10:32:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:31,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-01 10:32:31,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:32:31,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277294706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:31,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:31,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 10:32:31,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230442301] [2021-07-01 10:32:31,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:32:31,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:31,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:32:31,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:32:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:31,263 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:31,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2021-07-01 10:32:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:31,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:31,940 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:31,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:31,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1934452223, now seen corresponding path program 1 times [2021-07-01 10:32:31,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:31,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127660216] [2021-07-01 10:32:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 10:32:32,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:32,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127660216] [2021-07-01 10:32:32,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127660216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:32,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146133124] [2021-07-01 10:32:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:32,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-01 10:32:32,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 10:32:32,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146133124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:32,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:32,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 10:32:32,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823255347] [2021-07-01 10:32:32,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 10:32:32,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:32,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 10:32:32,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-01 10:32:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:32,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:32,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:32:32,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:32,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:32,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:32,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:32,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:32:32,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:32,985 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 10:32:32,985 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:32:32,987 INFO L202 PluginConnector]: Adding new model bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:32:32 BasicIcfg [2021-07-01 10:32:32,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:32:32,988 INFO L168 Benchmark]: Toolchain (without parser) took 3770.08 ms. Allocated memory was 182.5 MB in the beginning and 254.8 MB in the end (delta: 72.4 MB). Free memory was 161.6 MB in the beginning and 98.3 MB in the end (delta: 63.2 MB). Peak memory consumption was 157.6 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,988 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 182.5 MB. Free memory is still 162.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:32:32,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.28 ms. Allocated memory is still 182.5 MB. Free memory was 161.6 MB in the beginning and 159.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,988 INFO L168 Benchmark]: Boogie Preprocessor took 12.47 ms. Allocated memory is still 182.5 MB. Free memory was 159.6 MB in the beginning and 158.8 MB in the end (delta: 830.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,988 INFO L168 Benchmark]: RCFGBuilder took 289.33 ms. Allocated memory is still 182.5 MB. Free memory was 158.6 MB in the beginning and 144.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,988 INFO L168 Benchmark]: TraceAbstraction took 3433.93 ms. Allocated memory was 182.5 MB in the beginning and 254.8 MB in the end (delta: 72.4 MB). Free memory was 144.1 MB in the beginning and 98.3 MB in the end (delta: 45.8 MB). Peak memory consumption was 139.8 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,989 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 0.13 ms. Allocated memory is still 182.5 MB. Free memory is still 162.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.28 ms. Allocated memory is still 182.5 MB. Free memory was 161.6 MB in the beginning and 159.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.47 ms. Allocated memory is still 182.5 MB. Free memory was 159.6 MB in the beginning and 158.8 MB in the end (delta: 830.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 289.33 ms. Allocated memory is still 182.5 MB. Free memory was 158.6 MB in the beginning and 144.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3433.93 ms. Allocated memory was 182.5 MB in the beginning and 254.8 MB in the end (delta: 72.4 MB). Free memory was 144.1 MB in the beginning and 98.3 MB in the end (delta: 45.8 MB). Peak memory consumption was 139.8 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: 2351, positive: 1771, positive conditional: 1771, positive unconditional: 0, negative: 580, negative conditional: 580, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2004, positive: 1771, positive conditional: 1771, positive unconditional: 0, negative: 233, negative conditional: 233, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2004, positive: 1771, positive conditional: 0, positive unconditional: 1771, negative: 233, negative conditional: 0, negative unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 200, positive: 176, positive conditional: 0, positive unconditional: 176, 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: 200, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 32, positive conditional: 0, positive unconditional: 32, 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: 56, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 205, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2004, positive: 1595, positive conditional: 0, positive unconditional: 1595, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 200, unknown conditional: 0, unknown unconditional: 200] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 ], Maximal queried relation: 0, Independence queries for same thread: 347 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 95528, positive: 88232, positive conditional: 88232, positive unconditional: 0, negative: 7296, negative conditional: 7296, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 90526, positive: 88232, positive conditional: 88232, positive unconditional: 0, negative: 2294, negative conditional: 2294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 90526, positive: 78482, positive conditional: 0, positive unconditional: 78482, negative: 12044, negative conditional: 0, negative unconditional: 12044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 327, positive: 293, positive conditional: 0, positive unconditional: 293, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 327, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 376, positive: 229, positive conditional: 163, positive unconditional: 66, negative: 147, negative conditional: 113, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 192, positive conditional: 133, positive unconditional: 59, negative: 174, negative conditional: 105, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90526, positive: 78189, positive conditional: 0, positive unconditional: 78189, negative: 12010, negative conditional: 0, negative unconditional: 12010, unknown: 327, unknown conditional: 0, unknown unconditional: 327] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 456, Positive conditional cache size: 163, Positive unconditional cache size: 293, Negative cache size: 147, Negative conditional cache size: 113, Negative unconditional cache size: 34, SemanticConditionEliminator.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 376, positive: 229, positive conditional: 163, positive unconditional: 66, negative: 147, negative conditional: 113, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 192, positive conditional: 133, positive unconditional: 59, negative: 174, negative conditional: 105, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35290, positive: 9587, positive conditional: 9587, positive unconditional: 0, negative: 25427, negative conditional: 10402, negative unconditional: 15025, unknown: 276, unknown conditional: 276, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 456, Positive conditional cache size: 163, Positive unconditional cache size: 293, Negative cache size: 147, Negative conditional cache size: 113, Negative unconditional cache size: 34, Eliminated conditions: 15025, SemanticConditionEliminator.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 376, positive: 229, positive conditional: 163, positive unconditional: 66, negative: 147, negative conditional: 113, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 192, positive conditional: 133, positive unconditional: 59, negative: 174, negative conditional: 105, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35290, positive: 9587, positive conditional: 9587, positive unconditional: 0, negative: 25427, negative conditional: 10402, negative unconditional: 15025, unknown: 276, unknown conditional: 276, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 456, Positive conditional cache size: 163, Positive unconditional cache size: 293, Negative cache size: 147, Negative conditional cache size: 113, Negative unconditional cache size: 34, Eliminated conditions: 15025, SemanticConditionEliminator.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 376, positive: 229, positive conditional: 163, positive unconditional: 66, negative: 147, negative conditional: 113, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 192, positive conditional: 133, positive unconditional: 59, negative: 174, negative conditional: 105, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35290, positive: 9587, positive conditional: 9587, positive unconditional: 0, negative: 25427, negative conditional: 10402, negative unconditional: 15025, unknown: 276, unknown conditional: 276, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 456, Positive conditional cache size: 163, Positive unconditional cache size: 293, Negative cache size: 147, Negative conditional cache size: 113, Negative unconditional cache size: 34, Eliminated conditions: 15025, SemanticConditionEliminator.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 376, positive: 229, positive conditional: 163, positive unconditional: 66, negative: 147, negative conditional: 113, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 192, positive conditional: 133, positive unconditional: 59, negative: 174, negative conditional: 105, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35290, positive: 9587, positive conditional: 9587, positive unconditional: 0, negative: 25427, negative conditional: 10402, negative unconditional: 15025, unknown: 276, unknown conditional: 276, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 456, Positive conditional cache size: 163, Positive unconditional cache size: 293, Negative cache size: 147, Negative conditional cache size: 113, Negative unconditional cache size: 34, Eliminated conditions: 15025, SemanticConditionEliminator.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35290, positive: 9750, positive conditional: 9750, positive unconditional: 0, negative: 25540, negative conditional: 10515, negative unconditional: 15025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 376, positive: 229, positive conditional: 163, positive unconditional: 66, negative: 147, negative conditional: 113, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 192, positive conditional: 133, positive unconditional: 59, negative: 174, negative conditional: 105, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35290, positive: 9587, positive conditional: 9587, positive unconditional: 0, negative: 25427, negative conditional: 10402, negative unconditional: 15025, unknown: 276, unknown conditional: 276, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 456, Positive conditional cache size: 163, Positive unconditional cache size: 293, Negative cache size: 147, Negative conditional cache size: 113, Negative unconditional cache size: 34, Eliminated conditions: 15025 ], Maximal queried relation: 5, Independence queries for same thread: 5002 - PositiveResult [Line: 37]: 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 512.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 381.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2796.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 1473.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 25, 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: 15.7ms SsaConstructionTime, 79.2ms SatisfiabilityAnalysisTime, 424.5ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 54/80 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...