/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:51:08,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:51:08,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:51:08,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:51:08,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random7777.epf [2021-07-01 11:51:08,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:51:08,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:51:08,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:51:08,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:51:08,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:51:08,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:51:08,597 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:51:08,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:51:08,597 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:51:08,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:51:08,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:51:08,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:51:08,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:51:08,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:51:08,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:51:08,598 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:51:08,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:51:08,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:51:08,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:51:08,600 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:51:08,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:51:08,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:51:08,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:51:08,876 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:51:08,877 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:51:08,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert07.bpl [2021-07-01 11:51:08,877 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert07.bpl' [2021-07-01 11:51:08,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:51:08,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:51:08,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:51:08,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:51:08,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:51:08,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:51:08,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:51:08,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:51:08,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:51:08,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... [2021-07-01 11:51:08,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:51:08,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:51:08,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:51:08,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:51:08,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:51:08,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:51:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:51:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:51:08,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:51:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:51:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:51:08,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:51:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:51:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:51:08,999 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:51:09,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:51:09,136 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 11:51:09,136 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:51:09,138 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:51:09 BoogieIcfgContainer [2021-07-01 11:51:09,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:51:09,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:51:09,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:51:09,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:51:09,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:51:08" (1/2) ... [2021-07-01 11:51:09,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910f703 and model type bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:51:09, skipping insertion in model container [2021-07-01 11:51:09,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:51:09" (2/2) ... [2021-07-01 11:51:09,142 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert07.bpl [2021-07-01 11:51:09,146 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:51:09,146 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:51:09,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:51:09,146 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:51:09,178 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:51:09,192 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 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:51:09,319 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:51:09,319 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:51:09,320 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:51:09,320 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:51:09,320 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:51:09,321 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:51:09,321 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:51:09,321 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 11:51:09,450 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:09,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:09,453 INFO L82 PathProgramCache]: Analyzing trace with hash -344703070, now seen corresponding path program 1 times [2021-07-01 11:51:09,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:09,459 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020918894] [2021-07-01 11:51:09,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:51:09,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:09,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020918894] [2021-07-01 11:51:09,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020918894] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:09,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:51:09,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 11:51:09,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911667248] [2021-07-01 11:51:09,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:51:09,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:09,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:51:09,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:51:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:09,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:09,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.25) 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) [2021-07-01 11:51:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:09,610 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:51:09,610 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:09,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:09,611 INFO L82 PathProgramCache]: Analyzing trace with hash -822143763, now seen corresponding path program 1 times [2021-07-01 11:51:09,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:09,611 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684222306] [2021-07-01 11:51:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:51:09,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:09,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684222306] [2021-07-01 11:51:09,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684222306] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:09,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:51:09,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:51:09,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300548732] [2021-07-01 11:51:09,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:51:09,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:09,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:51:09,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:51:09,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:09,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:09,677 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:09,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:09,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:09,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:51:09,755 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:09,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:09,755 INFO L82 PathProgramCache]: Analyzing trace with hash 496429843, now seen corresponding path program 1 times [2021-07-01 11:51:09,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:09,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403752367] [2021-07-01 11:51:09,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:51:09,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:09,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403752367] [2021-07-01 11:51:09,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403752367] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:09,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:51:09,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:51:09,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272637757] [2021-07-01 11:51:09,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:51:09,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:09,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:51:09,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:51:09,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:09,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:09,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:09,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:09,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:09,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:09,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:51:09,903 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:09,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:09,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2022073507, now seen corresponding path program 1 times [2021-07-01 11:51:09,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:09,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735846396] [2021-07-01 11:51:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:51:09,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:09,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735846396] [2021-07-01 11:51:09,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735846396] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:09,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800474007] [2021-07-01 11:51:09,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:09,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-01 11:51:10,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:51:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:51:10,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800474007] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:10,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-01 11:51:10,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 10 [2021-07-01 11:51:10,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751866747] [2021-07-01 11:51:10,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:51:10,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:10,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:51:10,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-01 11:51:10,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:10,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:10,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:10,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:10,445 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:10,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:10,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1864132860, now seen corresponding path program 1 times [2021-07-01 11:51:10,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:10,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510662409] [2021-07-01 11:51:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:51:10,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:10,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510662409] [2021-07-01 11:51:10,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510662409] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:10,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620683369] [2021-07-01 11:51:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:10,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-01 11:51:10,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:51:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:51:10,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620683369] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:10,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-01 11:51:10,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 12 [2021-07-01 11:51:10,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288229709] [2021-07-01 11:51:10,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:51:10,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:51:10,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-07-01 11:51:10,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:10,660 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:10,660 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:10,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:11,020 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:11,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:11,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1997908016, now seen corresponding path program 1 times [2021-07-01 11:51:11,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:11,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928288660] [2021-07-01 11:51:11,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:51:11,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:11,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928288660] [2021-07-01 11:51:11,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928288660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:11,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325915015] [2021-07-01 11:51:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:11,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-01 11:51:11,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:51:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:51:11,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325915015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:11,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:51:11,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 11:51:11,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093255161] [2021-07-01 11:51:11,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:51:11,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:11,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:51:11,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:51:11,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:11,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:11,233 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:11,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:11,623 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:11,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:11,624 INFO L82 PathProgramCache]: Analyzing trace with hash -2107925351, now seen corresponding path program 1 times [2021-07-01 11:51:11,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:11,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560479550] [2021-07-01 11:51:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:51:11,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:11,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560479550] [2021-07-01 11:51:11,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560479550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:11,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553313689] [2021-07-01 11:51:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:11,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-01 11:51:11,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:51:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:51:11,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553313689] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:11,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:51:11,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 11:51:11,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271853327] [2021-07-01 11:51:11,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:51:11,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:11,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:51:11,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:51:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:11,860 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:11,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:12,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-01 11:51:12,205 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:12,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:12,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1230532933, now seen corresponding path program 1 times [2021-07-01 11:51:12,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:12,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107469317] [2021-07-01 11:51:12,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:51:12,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:12,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107469317] [2021-07-01 11:51:12,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107469317] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:12,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756780027] [2021-07-01 11:51:12,264 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) [2021-07-01 11:51:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:12,304 WARN L261 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-01 11:51:12,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:51:12,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756780027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:12,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:51:12,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 14 [2021-07-01 11:51:12,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046131680] [2021-07-01 11:51:12,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:51:12,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:12,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:51:12,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:51:12,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:12,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:12,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.266666666666667) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:12,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:12,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:12,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:12,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:12,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:12,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:12,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:12,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-01 11:51:23,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:23,343 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 11:51:23,344 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-01 11:51:23,350 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:51:23,350 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:51:23,351 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:51:23,351 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:51:23,351 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:51:23,351 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:51:23,351 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:51:23,351 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:51:31,794 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 11:51:31,794 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:51:31,796 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:51:31 BasicIcfg [2021-07-01 11:51:31,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:51:31,796 INFO L168 Benchmark]: Toolchain (without parser) took 22893.96 ms. Allocated memory was 197.1 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 176.6 MB in the beginning and 6.5 GB in the end (delta: -6.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-07-01 11:51:31,797 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 197.1 MB. Free memory is still 177.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:51:31,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.19 ms. Allocated memory is still 197.1 MB. Free memory was 176.5 MB in the beginning and 174.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:31,797 INFO L168 Benchmark]: Boogie Preprocessor took 9.15 ms. Allocated memory is still 197.1 MB. Free memory was 174.7 MB in the beginning and 173.8 MB in the end (delta: 931.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:31,797 INFO L168 Benchmark]: RCFGBuilder took 201.95 ms. Allocated memory is still 197.1 MB. Free memory was 173.8 MB in the beginning and 160.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:31,797 INFO L168 Benchmark]: TraceAbstraction took 22657.18 ms. Allocated memory was 197.1 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 160.1 MB in the beginning and 6.5 GB in the end (delta: -6.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-07-01 11:51:31,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 197.1 MB. Free memory is still 177.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.19 ms. Allocated memory is still 197.1 MB. Free memory was 176.5 MB in the beginning and 174.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.15 ms. Allocated memory is still 197.1 MB. Free memory was 174.7 MB in the beginning and 173.8 MB in the end (delta: 931.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 201.95 ms. Allocated memory is still 197.1 MB. Free memory was 173.8 MB in the beginning and 160.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22657.18 ms. Allocated memory was 197.1 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 160.1 MB in the beginning and 6.5 GB in the end (delta: -6.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1170262, positive: 1115690, positive conditional: 1115690, positive unconditional: 0, negative: 54572, negative conditional: 54572, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1126615, positive: 1115690, positive conditional: 1115690, positive unconditional: 0, negative: 10925, negative conditional: 10925, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1126615, positive: 972320, positive conditional: 0, positive unconditional: 972320, negative: 154295, negative conditional: 0, negative unconditional: 154295, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, positive: 373, positive conditional: 0, positive unconditional: 373, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1126615, positive: 971880, positive conditional: 0, positive unconditional: 971880, negative: 154216, negative conditional: 0, negative unconditional: 154216, unknown: 519, unknown conditional: 0, unknown unconditional: 519] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725, SemanticConditionEliminator.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 714287, positive: 143370, positive conditional: 143370, positive unconditional: 0, negative: 570917, negative conditional: 104192, negative unconditional: 466725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 734, positive: 410, positive conditional: 343, positive unconditional: 67, negative: 324, negative conditional: 245, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 902, positive: 559, positive conditional: 389, positive unconditional: 170, negative: 343, negative conditional: 237, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 714287, positive: 143027, positive conditional: 143027, positive unconditional: 0, negative: 570672, negative conditional: 103947, negative unconditional: 466725, unknown: 588, unknown conditional: 588, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 783, Positive conditional cache size: 343, Positive unconditional cache size: 440, Negative cache size: 324, Negative conditional cache size: 245, Negative unconditional cache size: 79, Eliminated conditions: 466725 ], Maximal queried relation: 8, Independence queries for same thread: 43647 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4553067, positive: 3153302, positive conditional: 3153302, positive unconditional: 0, negative: 1399765, negative conditional: 1399765, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4157968, positive: 3153302, positive conditional: 3153302, positive unconditional: 0, negative: 1004666, negative conditional: 1004666, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4157968, positive: 3153302, positive conditional: 0, positive unconditional: 3153302, negative: 1004666, negative conditional: 0, negative unconditional: 1004666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 667, positive: 535, positive conditional: 0, positive unconditional: 535, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 667, positive: 452, positive conditional: 0, positive unconditional: 452, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 215, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 215, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 200, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4157968, positive: 3152767, positive conditional: 0, positive unconditional: 3152767, negative: 1004534, negative conditional: 0, negative unconditional: 1004534, unknown: 667, unknown conditional: 0, unknown unconditional: 667] , Statistics on independence cache: Total cache size (in pairs): 667, Positive cache size: 535, Positive conditional cache size: 0, Positive unconditional cache size: 535, Negative cache size: 132, Negative conditional cache size: 0, Negative unconditional cache size: 132 ], Maximal queried relation: 0, Independence queries for same thread: 395099 - PositiveResult [Line: 76]: 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: ServerThreadThread1of1ForFork0 with 1 thread instances CFG has 11 procedures, 62 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14140.4ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 11639.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 30.9ms SsaConstructionTime, 165.2ms SatisfiabilityAnalysisTime, 811.7ms InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 2128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 319 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 58/70 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: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 62 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8449.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 8441.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...